23546
Zebra finch liver microsomes metabolized nicotine and bupropion ( CYP2B substrate ) but not coumarin ( CYP2A substrate ) .
 Chemical: nicotine; Chemical: bupropion; Chemical: coumarin
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: nicotine, bupropion, coumarin 
Answer:
 Chemical: nicotine; Chemical: bupropion; Chemical: coumarin