9459
Moreover , we showed that DHS prevented DNA damage and decreased the protein levels of gamma - H2AX , which is a specific DNA damage marker , in CCl ( 4 ) - treated rat livers .
 Chemical: DHS; 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: CCl ( 4 )