19378
All SPANs inhibited nerve - evoked twitch contractions at the neuromuscular junction without inhibiting contractile responses to cholinergic agonists or KCl .
 Chemical: KCl
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: KCl