16986
We found two novel chemotypes with AR - antagonistic activity ( IC ( 50 ) : 3 - 6 mu M ) by virtual screening and confirmed their biological activity in an androgen - responsive reporter assay .
 Chemical: androgen
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