13291
The series of crystallographic snapshots reveals that AChE and BChE react with the opposite enantiomers and that an induced - fit rearrangement of Phe297 enlarges the active site of AChE upon CBDP binding .
 Chemical: Phe297; Chemical: CBDP
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: Phe297, CBDP 
Answer:
 Chemical: Phe297; Chemical: CBDP