[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][C][N][C][=Branch2][=Branch1][#C][=C][Branch2][Ring2][P][C][=C][Ring1][Branch1][C][=C][C][=C][Branch2][Ring1][S][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][N][C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][C@H1][Ring1][#Branch2][C][N][C][C][O][C][C][Ring1][=Branch1][O][C][O][Ring2][Ring1][#Branch2][C][=Branch1][C][=O][N][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][Ring2][Branch1][Branch1]"}, {"from": "gpt", "value": "The molecule is a selective inhibitor of the anti-apoptotic protein B-cell lymphoma 2 (Bcl-2), with potential pro-apoptotic and antineoplastic activities. Upon administration, Bcl-2 inhibitor BCL201 binds to and inhibits the activity of Bcl-2. This restores apoptotic processes in tumor cells. Bcl-2 protein is overexpressed in many cancers and plays an important role in the negative regulation of apoptosis; its expression is associated with increased drug resistance and tumor cell survival."}]