2779
The results show that CYP2E1 inhibits CYP2B4 - mediated metabolism of benzphetamine ( BNZ ) with a K ( i ) of 0 . 04 micro M .
 Chemical: benzphetamine; Chemical: BNZ
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: benzphetamine; Chemical: BNZ