5866
In vitro phenotyping studies demonstrated that multiple cytochrome P450 ( P450 ) isoforms , especially CYP3A4 , 2E1 , and 1A2 , were involved in the formation of M3 - 1 , M3 - 2 , and 11 - hydroxy - NBP .
 Chemical: 11 - hydroxy - NBP
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: 11 - hydroxy - NBP