18391
This study is designed to observe the effects of N - acetylcysteine ( NAC ) on doxorubucine - induced cardiac toxicity in rats both histologically and biochemically .
 Chemical: N - acetylcysteine; Chemical: NAC; Chemical: doxorubucine
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: N - acetylcysteine; Chemical: NAC; Chemical: doxorubucine