10459
Our research addressed the question of whether or not dutasteride , a pharmaceutical used to treat benign prostatic hyperplasia , may cause adverse effects in a teleost fish , the fathead minnow ( Pimephales promelas ) , by inhibiting the activity of both isoforms of 5 alpha - reductase ( 5 alpha R ) , the enzyme that converts testosterone into dihydrotestosterone ( DHT ) .
 Chemical: dutasteride; Chemical: testosterone; Chemical: dihydrotestosterone; Chemical: DHT
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: dutasteride; Chemical: testosterone; Chemical: dihydrotestosterone; Chemical: DHT