22354
However , the extensive data output for BACE1 in patents and papers over the last decade , plus liganded crystal structures for both proteases , should expedite the design of BACE2 inhibitors by other organisations .
 None
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:  
Answer:
 None