7243
The quantitative effects of cimetidine on metabolism of ethanol and other physiological substrates of ADHs need further investigation .
 Chemical: cimetidine; 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: ethanol