1451
By way of contrast , mice treated with daidzein prior to the scopolamine injections were noticeably protected from this performance impairment ( an approximately 12 % - 21 % decrease in alternation behavior ) .
 Chemical: daidzein; Chemical: scopolamine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: daidzein; Chemical: scopolamine