20823
Expression of SIRT1 - L107P in insulin - producing cells resulted in overproduction of nitric oxide , cytokines , and chemokines .
 Chemical: nitric oxide
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: nitric oxide 
Answer:
 Chemical: nitric oxide