26852
Naturally occuring quercetin protects hepatocytes from ethanol - induced oxidative stress , and heme oxygenase - 1 ( HO - 1 ) induction and carbon monoxide ( CO ) metabolite may be implicated in the beneficial effect .
 Chemical: quercetin; Chemical: ethanol; Chemical: heme; Chemical: carbon monoxide; Chemical: CO
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: quercetin; Chemical: ethanol; Chemical: heme; Chemical: carbon monoxide; Chemical: CO