21454
Amitriptyline , clomipramine , doxepin , imipramine , and trimipramine are demethylated by CYP2C19 to pharmacologically active metabolites .
 Chemical: Amitriptyline; Chemical: clomipramine; Chemical: doxepin; Chemical: imipramine; Chemical: trimipramine
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: Amitriptyline; Chemical: clomipramine; Chemical: doxepin; Chemical: imipramine; Chemical: trimipramine