22588
Treatment of ovariectomized rats with estradiol benzoate or 3 beta - diol for 4 days increased OT mRNA selectively in the midcaudal , but not rostral PVN compared with vehicle - treated controls .
 Chemical: estradiol benzoate; Chemical: 3 beta - diol
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 benzoate; Chemical: 3 beta - diol