5556
The levels of hepatotoxicity markers - alanine aminotransaminase ( ALT ) , aspartate aminotransaminase ( AST ) and total bilirubin , histological changes , oxidative stress indices , phase I and phase II xenobiotic metabolizing enzymes - cytochrome P450 ( CYP ) and glutathione S - transferase ( GST ) and pro - inflammatory molecules - inducible nitric oxide synthase ( iNOS ) , tumor necrosis factor - alpha ( TNF - alpha ) and interleukin - 1 beta ( IL - 1 beta ) were measured in animals treated with MB and / or PQ in the presence or absence of NAC and SIL .
 Chemical: alanine; Chemical: aspartate; Chemical: bilirubin; Chemical: glutathione; Chemical: S; Chemical: nitric oxide; Chemical: NAC
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: alanine; Chemical: aspartate; Chemical: bilirubin; Chemical: glutathione; Chemical: S; Chemical: nitric oxide; Chemical: NAC