[MIRROR] Converts gas, ore, plants and reagent strings to defines (#9611)

Co-authored-by: Heroman3003 <31296024+Heroman3003@users.noreply.github.com>
Co-authored-by: Kashargul <144968721+Kashargul@users.noreply.github.com>

code/modules/nifsoft/software/05_health.dm

@@ -151,7 +151,7 @@
 				a.autosay("[S.real_name] is in a critical condition, located at ([T.x],[T.y],[T.z])!", "[S.real_name]'s NIF", "Medical")
 				qdel(a)
 		*/ //Chomp comment out END
-		
+
 		return TRUE
 
 /datum/nifsoft/spare_breath
@@ -205,7 +205,7 @@
 /datum/nifsoft/spare_breath/proc/resp_breath()
 	if(!active) return null
 	var/datum/gas_mixture/breath = new(BREATH_VOLUME)
-	breath.adjust_gas("oxygen", BREATH_MOLES)
+	breath.adjust_gas(GAS_O2, BREATH_MOLES)
 	breath.temperature = T20C
 	return breath
 

code/modules/nifsoft/software/10_combat.dm

@@ -35,7 +35,7 @@
 /datum/nifsoft/painkillers/life()
 	if((. = ..()))
 		var/mob/living/carbon/human/H = nif.human
-		H.bloodstr.add_reagent("numbenzyme",0.5)
+		H.bloodstr.add_reagent(REAGENT_ID_NUMBENZYME,0.5)
 
 /datum/nifsoft/hardclaws
 	name = "Bloodletters"