21370
Tetrodotoxin - sensitive spontaneous cholinergic neurotransmission was blocked > 80 % by 1 pM BoNT / A despite cleaving < 20 % of the SNAP - 25 .
 Chemical: Tetrodotoxin
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: Tetrodotoxin