26413
Compound 12 a was also found to be ~ 18 - fold more efficacious than vancomycin against MRSA ; however , the two compounds were found to have similar efficacy against MRS .
 Chemical: vancomycin
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: vancomycin 
Answer:
 Chemical: vancomycin