Custom Mob isn't working

[Lylac_]

I need help making a custom mob for my server, but it wont spawn when I try and set the time. Can anybody help?

At 3am:
send "&4&lThe blood moon has risen." to all players
play sound "entity.wolf.howl" to all players
loop all players:
chance of 90%:
Set {_N} to random number between 3 and 6
Loop {_N} Times:
Summon stray at loop-player's location
Set {_S} to last spawned entity
Make {_S} invulnerable
Set name of {_S} to "&7Shrieker"
Set tool of {_S} to Netherite Sword or Netherite Axe or Diamond Sword or Diamond Axe or Air

At 6am:
Loop all entities:
loop-entity is Stray
name of loop-entity is "&7Shrieker"
Play 30 cloud at loop-entity
Kill Loop-Entity

 

[Minecoll_YT]

Not sure, it seems fine to me but
1. please use code blocks
2. why are you making the start of every line to an uppercase letter, It's nothing that wouldn't work, but it's making my eyes bleed