15724
The results indicate that the structure of HSYA is different than the previously described 1b , with 3 - enol - 1 , 7 - diketo form .
 Chemical: HSYA; Chemical: 3 - enol - 1 , 7 - diketo
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: HSYA, 3 - enol - 1 , 7 - diketo 
Answer:
 Chemical: HSYA; Chemical: 3 - enol - 1 , 7 - diketo