16161
Compound 2 showed inhibitory activity on nitric oxide production in lipopolysaccharide - induced RAW264 . 7 macrophages with an IC ( 50 ) value of 36 . 2 mu M .
 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