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Of interest , animals rendered resistant to further methamphetamine - induced dopamine depletions still show equivalent degrees of methamphetamine - induced nitric oxide production , suggesting that nitric oxide production alone in response to methamphetamine is not sufficient to induce acute neurotoxic injury .
 Chemical: methamphetamine; Chemical: dopamine; Chemical: methamphetamine; Chemical: nitric oxide; Chemical: nitric oxide; Chemical: methamphetamine
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: methamphetamine; Chemical: dopamine; Chemical: methamphetamine; Chemical: nitric oxide; Chemical: nitric oxide; Chemical: methamphetamine