1444
The results showed that estradiol enhances CYP2A6 , CYP2B6 , and CYP3A4 expression , whereas progesterone induces CYP2A6 , CYP2B6 , CYP2C8 , CYP3A4 , and CYP3A5 expression .
 Chemical: estradiol; Chemical: progesterone
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: estradiol; Chemical: progesterone