11766
The nitric oxide synthase inhibitor N ( G ) - nitro - l - arginine methyl ester and inhibitors of protein kinase G activity also suppressed DHPG - induced outward current .
 Chemical: nitric oxide; Chemical: N ( G ) - nitro - l - arginine methyl ester; Chemical: DHPG
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; Chemical: N ( G ) - nitro - l - arginine methyl ester; Chemical: DHPG