19520
Cryptocapsin - 5 , 6 - epoxide was prepared by partial synthesis via epoxidation of cryptocapsin , and the ( 5R , 6S ) - and ( 5S , 6R ) - stereoisomers were identified by HPLC - ECD analysis .
 Chemical: Cryptocapsin - 5 , 6 - epoxide; Chemical: cryptocapsin
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: Cryptocapsin - 5 , 6 - epoxide, cryptocapsin 
Answer:
 Chemical: Cryptocapsin - 5 , 6 - epoxide; Chemical: cryptocapsin