Improve my marksman

id like to add arcane shot after concussive shot and mend pet after chimera shot if someone could get that to work for me… thanks

#showtooltip Chimera Shot
/cast [@focus,help][help][@pet,exists] Misdirection
/cast Aimed Shot!
/castsequence reset=10/combat/target Serpent Sting, Arcane Shot,null
/castsequence reset=0.3 0,0,0,0,0,Steady Shot
/castsequence reset=0.3 0,0,0,0,Kill Shot
/castsequence reset=0.3 0,0,0,Concussive Shot
/castsequence reset=0.3 0,0,Glaive Toss
/castsequence reset=0.3 0,Chimera Shot
/castsequence reset=0.3 Stampede
/cast [combat] Rapid Fire
/cast [combat] Fervor
/use [combat] Kafa Press
/use [combat] Grievous Gladiator's Badge of Conquest
/use Crystal of Insanity