23115
When siRNA was used to prevent the MnSOD induction by genistein , coumestrol or daidzein , none of these compounds exerted any effect on proliferative growth , and only the effect of coumestrol on stress resistance persisted .
 Chemical: genistein; Chemical: coumestrol; Chemical: daidzein; Chemical: coumestrol
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: genistein; Chemical: coumestrol; Chemical: daidzein; Chemical: coumestrol