Shadowpeople update

code/modules/reagents/Chemistry-Reagents.dm

@@ -355,16 +355,17 @@ datum
 				if(!M) M = holder.my_atom
 				if(ishuman(M))
 					var/mob/living/carbon/human/human = M
-					if(human.dna.mutantrace == null)
+					if(human.species.name != "Shadow")
 						M << "\red Your flesh rapidly mutates!"
 						M << "<b>You are now a Shadow Person, a mutant race of darkness-dwelling humanoids.</b>"
 						M << "\red Your body reacts violently to light. \green However, it naturally heals in darkness."
 						M << "Aside from your new traits, you are mentally unchanged and retain your prior obligations."
-						human.dna.mutantrace = "shadow"
-						human.update_mutantrace()
+						human.set_species("Shadow")
 				..()
 				return
 
+
+
 		aslimetoxin
 			name = "Advanced Mutation Toxin"
 			id = "amutationtoxin"