1397
Hepatocytes from three female donors were treated with estradiol , and the EC ( 50 ) and E ( max ) were measured for CYP2B6 mRNA and bupropion hydroxylation activity .
 Chemical: estradiol; Chemical: bupropion
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: estradiol; Chemical: bupropion