1571
CBDP irreversibly inhibits butyrylcholinesterase ( BChE ) in human plasma by forming adducts on the active site serine ( Ser - 198 ) .
 Chemical: CBDP; Chemical: serine; Chemical: Ser
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: CBDP; Chemical: serine; Chemical: Ser