23788
Modulation of carbon tetrachloride - induced nephrotoxicity in rats by n - hexane extract of Sonchus asper .
 Chemical: carbon tetrachloride; Chemical: n - hexane
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: carbon tetrachloride; Chemical: n - hexane