18019
We have used human liver microsomes in combination with selective cytochrome P450 inhibitors , specific substrates , and antibodies to identify CYP2E1 as the main activity producing nicotinamide N - oxide .
 Chemical: nicotinamide N - oxide
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: nicotinamide N - oxide