[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][C][=Branch2][Ring1][P][=C][Branch1][N][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][C][N][Branch1][C][C][C][C][=C][C][=C][C][=C][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule is a tamoxifen metabolite with both estrogenic and anti-estrogenic effects.  Afimoxifene has a higher affinity for the estrogen receptor than tamoxifen, and functions as an antagonist in breast cancer cells."}]