17691
Although an important event in hyperglycaemia - induced oxidative stress is the nuclear factor - kappa b ( NF - kappa B ) - activated inducible nitric oxide synthase ( iNOS ) expression , the underlying mechanism is not fully characterized .
 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