26860
Thus , CYP2E1 - mediated ethanol hepatotoxicity was alleviated by quercetin through HO - 1 induction .
 Chemical: ethanol; Chemical: quercetin
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: ethanol, quercetin 
Answer:
 Chemical: ethanol; Chemical: quercetin