2836
Thus , although CYP2C8 and CYP3A4 are the main enzymes in imatinib metabolism in vitro , in silico predictions indicate that imatinib inhibits its own CYP3A4 - mediated metabolism , assigning a key role for CYP2C8 .
 Chemical: imatinib; Chemical: imatinib
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: imatinib, imatinib 
Answer:
 Chemical: imatinib; Chemical: imatinib