24435
Both toxins inhibited contractile responses to exogenous ACh and CCh , but not KCl , suggesting a post - synaptic mode of action at the nicotinic acetylcholine receptor ( nAChR ) .
 Chemical: ACh; Chemical: KCl; Chemical: acetylcholine
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: ACh, KCl, acetylcholine 
Answer:
 Chemical: ACh; Chemical: KCl; Chemical: acetylcholine