5966
The nuclear receptors pregnane X receptor , constitutive androstane receptor , and peroxisome proliferator - activated receptor alpha have important endogenous functions and are also involved in the induction of drug - metabolizing enzymes and transporters in response to exogenous xenobiotics .
 Chemical: androstane
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: androstane