[{"from": "human", "value": "Describe this molecule. [C][O][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=C][Branch2][Ring1][C][C][=C][Branch1][#Branch2][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][O][C][Ring1][O][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][C][N][C][C][C][C][C][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule is a new selective estrogen receptor modulator (SERM). The compound has a high receptor affinity and has shown promising efficacy in the prevention of bone loss in animal models of osteoporosis. Additionally, the compound has shown no uterotrophic activity suggesting a potential therapeutic advantage over drugs normally used in postmenopausal therapy."}]