[{"from": "human", "value": "Describe this molecule. [C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][/C][=Branch2][Ring1][#Branch2][=C][Branch1][=Branch2][/C][=C][C][=C][C][=C][Ring1][=Branch1][\\C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][C][O][/C][C][Cl]"}, {"from": "gpt", "value": "The molecule is an Estrogen Agonist/Antagonist. The mechanism of action of ospemifene is as a Selective Estrogen Receptor Modulator."}]