[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][C@@H1][C][=Branch1][C][=O][N][Branch2][Branch1][Branch1][C][=C][N][=C][Branch1][#C][N][=C][Ring1][=Branch1][N][Ring1][O][C][C][C][C][C][Ring1][Branch1][N][C][=C][Branch2][Ring1][=Branch2][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][N][C][C][C][N][Branch1][Branch1][C][C][Ring1][=Branch1][C][O][C][C]"}, {"from": "gpt", "value": "The molecule is a small molecule compound with potential antineoplastic activities. BI 2536 binds to and inhibits Polo-like kinase 1 (Plk1), resulting in mitotic arrest, disruption of cytokinesis, and apoptosis in susceptible tumor cell populations. Plk1, a serine/threonine-protein kinase, is a key regulator of multiple processes fundamental to mitosis and cell division."}]