How can i use

Hi i need use
/castsequence reset=target Serpent Sting,null
/castsequence reset=0.5 0,0,0,0,0,A Murder of Crows
/castsequence reset=0.5 0,0,0,0,Black Arrow
/castsequence reset=0.5 0,0,0,Kill Shot
/castsequence reset=0.5 0,0,Glaive Toss
/castsequence reset=0.5 0,Explosive Shot
/castsequence reset=5 Arcane Shot,Cobra Shot
/cast [combat] Rapid Fire
/cast [combat] A Murder of Crows
/startattack

Macro but i cant cuz its over 255 word how i can use ?

https://wowlazymacros.com/addon

It expands the macros to 1050