25204
Although Cyr61 was found by us to be overproduced in androgen - independent PC - 3 cells treated with N - acetylcysteine ( NAC ) , its significance is still unclear .
 Chemical: androgen; 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: androgen; Chemical: N - acetylcysteine; Chemical: NAC