9966
In particular compound 20 ( DSR - 6434 ) indicated an optimal balance between the agonistic potency and high water solubility .
 Chemical: DSR - 6434
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: DSR - 6434 
Answer:
 Chemical: DSR - 6434