27915
Fluorimetric enzyme inhibition assays were used to determine the inhibitory activities of these probes toward P450s 1A1 , 1A2 , 1B1 , 2A6 , and 2B1 .
 None
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:  
Answer:
 None