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Ospemifene ( Osphena (TM) ) is an oral selective estrogen receptor modulator ( SERM ) , with tissue - specific estrogenic agonist / antagonist effects .
 Chemical: Ospemifene; Chemical: Osphena; Chemical: estrogen
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: Ospemifene; Chemical: Osphena; Chemical: estrogen