6009
Five anthraquinones were tested to determine their inhibitory activities on NO production and the protein and mRNA expression of inducible nitric oxide synthase ( iNOS ) and cyclooxygenase - 2 ( COX - 2 ) .
 Chemical: anthraquinones; Chemical: NO; 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: anthraquinones; Chemical: NO; Chemical: nitric oxide