13566
The most characteristic biochemical abnormality is the elevation of 17 alpha - hydroxyprogesterone , which is metabolized to the most potent androgen receptor agonist dihydrotestosterone .
 Chemical: 17 alpha - hydroxyprogesterone; Chemical: androgen; Chemical: dihydrotestosterone
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: 17 alpha - hydroxyprogesterone, androgen, dihydrotestosterone 
Answer:
 Chemical: 17 alpha - hydroxyprogesterone; Chemical: androgen; Chemical: dihydrotestosterone