7236
Previous studies have reported that cimetidine , an H2 - receptor antagonist used to treat gastric and duodenal ulcers , can inhibit alcohol dehydrogenases ( ADHs ) and ethanol metabolism .
 Chemical: cimetidine; Chemical: alcohol; Chemical: ethanol
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: cimetidine; Chemical: alcohol; Chemical: ethanol