1258
Treatment of poisoning by various organophosphorus ( OP ) nerve agents with established acetylcholinesterase ( AChE ) reactivators ( oximes ) is insufficient .
 Chemical: organophosphorus; Chemical: oximes
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: organophosphorus, oximes 
Answer:
 Chemical: organophosphorus; Chemical: oximes