Exploding arrows (one command) 1.16.3+

dont be afraid to ask me Questions in the comments
here is the command press ctrl c to copy and in the command block press ctrl v :

summon falling_block ~ ~5 ~ {BlockState:{Name:stone},Time:1b,Passengers:[{id:"minecraft:falling_block",Time:0,Passengers:[{id:"minecraft:falling_block",Time:1b,BlockState:{Name:redstone_block},Passengers:[{id:"minecraft:falling_block",Time:0,Passengers:[{id:"minecraft:falling_block",BlockState:{Name:activator_rail},Time:1b,Passengers:[{id:"minecraft:command_block_minecart",Command:"setblock ~ ~2 ~ repeating_command_block[facing=up]{auto:1b}"},{id:"minecraft:command_block_minecart",Command:"setblock ~ ~3 ~
minecraft:chain_command_block[facing=up]{auto:1b,Command:\"/gamerule commandBlockOutput false\"}"}
,{id:"minecraft:command_block_minecart",Command:"setblock ~ ~4 ~ minecraft:chain_command_block[facing=up]{auto:1b,Command:\"fill ~1 ~-2 ~-2 ~1 ~2 ~1 minecraft:blue_stained_glass\"}"}
,{id:"minecraft:command_block_minecart",Command:"setblock ~1 ~-3 ~ command_block{Command:\"fill ~-1 ~3 ~ ~ ~ ~ air\"}"}
,{id:"minecraft:command_block_minecart",Command:"setblock ~ ~5 ~ minecraft:chain_command_block[facing=up]{auto:1b,Command:\"fill ~-1 ~-3 ~-2 ~-1 ~1 ~1 minecraft:blue_stained_glass\"}"}
,{id:"minecraft:command_block_minecart",Command:"setblock ~1 ~-2 ~ redstone_block"}
,{id:"minecraft:command_block_minecart",Command:"setblock ~ ~6 ~ minecraft:chain_command_block[facing=north]{auto:1b,Command:\"/fill ~ ~ ~1 ~ ~-4 ~1 minecraft:blue_stained_glass\"}"}
,{id:"minecraft:command_block_minecart",Command:"setblock ~ ~6 ~-1 minecraft:chain_command_block[facing=down]{auto:1b,Command:\"/fill ~ ~ ~-1 ~ ~-4 ~-1 minecraft:blue_stained_glass\"}"}
,{id:"minecraft:command_block_minecart",Command:"setblock ~ ~5 ~-1 minecraft:chain_command_block[facing=down]{auto:1b,Command:\"fill ~-1 ~2 ~-1 ~1 ~2 ~2 minecraft:gray_concrete\"}"}
,{id:"minecraft:command_block_minecart",Command:"setblock ~ ~4 ~-1 minecraft:chain_command_block[facing=down]{auto:1b,Command:\"/fill ~-1 ~-3 ~-1 ~1 ~-3 ~2 minecraft:gray_concrete\"}"}
,{id:"minecraft:command_block_minecart",Command:"setblock ~ ~3 ~-1 minecraft:chain_command_block[facing=down]{auto:1b,Command:\"execute at @e[type=arrow,nbt={inGround:1b}]
run summon minecraft:creeper ~ ~ ~ {ExplosionRadius:25,ingnited:1b,Fuse:0s}\"}"}
,{id:"minecraft:command_block_minecart",Command:"setblock ~ ~2 ~-1 minecraft:chain_command_block[facing=down]{auto:1b,Command:\"kill @e[type=minecraft:arrow,nbt={inGround:1b}]\"}"}
,{id:"minecraft:command_block_minecart",Command:"setblock ~1 ~-3 ~ command_block{Command:\"fill ~-1 ~3 ~ ~ ~ ~ air\"}"},{id:"minecraft:command_block_minecart",Command:"setblock ~1 ~-2 ~ redstone_block"},
{id:"minecraft:command_block_minecart",Command:"kill @e[type=command_block_minecart,distance=..1]"}]}]}]}]}]}