15431
All fractions diminished LPS - induced protein expression of inducible nitric oxide synthase ( iNOS ) and cyclooxygenase 2 ( COX - 2 ) .
 Chemical: nitric 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: nitric oxide