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Results showed that survival rates of mice exposed to PQ only ( 50mg / kg within 7days ) were much lower than that in mice daily treatment with NAC or naringin .
 Chemical: NAC; Chemical: naringin
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: NAC; Chemical: naringin