14409
Clostridium botulinum neurotoxin ( BoNT ) is a multi - domain protein made up of the approximately 100 kDa heavy chain ( HC ) and the approximately 50 kDa light chain ( LC ) .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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