16372
Metabolic dephenylation of the rubber antioxidant N - phenyl - 2 - naphthylamine to carcinogenic 2 - naphthylamine in rats .
 Chemical: N - phenyl - 2 - naphthylamine; Chemical: 2 - naphthylamine
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: N - phenyl - 2 - naphthylamine; Chemical: 2 - naphthylamine