22585
The dihydrotestosterone metabolite , 5 alpha - androstane - 3 beta , 17 beta - diol ( 3 beta - diol ) , binds and activates estrogen receptor - beta ( ER - beta ) , the predominant ER in the PVN .
 Chemical: dihydrotestosterone; Chemical: 5 alpha - androstane - 3 beta , 17 beta - diol; Chemical: 3 beta - diol; Chemical: estrogen
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: dihydrotestosterone; Chemical: 5 alpha - androstane - 3 beta , 17 beta - diol; Chemical: 3 beta - diol; Chemical: estrogen