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CONCLUSIONS : CORM - 2 and CoPP treatments improved the local antinociceptive effects of morphine during chronic inflammatory and neuropathic pain by interaction with nitric oxide synthetized by NOS1 and NOS2 isoforms .
 Chemical: CORM - 2; Chemical: CoPP; Chemical: morphine; 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: CORM - 2; Chemical: CoPP; Chemical: morphine; Chemical: nitric oxide