9461
Furthermore , we found that DHS significantly inhibited the production of serum nitric oxide as well as the levels of serum IL - 6 , IFN - gamma , and TNF - alpha in CCl ( 4 ) - treated rats .
 Chemical: DHS; Chemical: nitric oxide; Chemical: CCl ( 4 )
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: DHS; Chemical: nitric oxide; Chemical: CCl ( 4 )