5102
The aromatase inhibitor CGS 16949A abolished this stimulatory activity and reduced estradiol levels in the control and treatment groups .
 Chemical: CGS 16949A; Chemical: estradiol
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: CGS 16949A; Chemical: estradiol