24055
After 4weeks of DMH administrations , the groups were fed with standard diet , a diet containing 2 . 5 % or 5 . 0 % AP or a diet containing 0 . 2 % N - acetylcysteine ( NAC ) for 10weeks , using aberrant crypt foci ( ACF ) as the endpoint .
 Chemical: DMH; Chemical: N - acetylcysteine; 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: DMH; Chemical: N - acetylcysteine; Chemical: NAC