[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][C][O][C][=C][Branch2][Ring1][Branch2][C][=Branch1][C][=O][C][=Branch1][=N][=C][Branch1][Branch1][C][Ring1][#Branch1][=O][N][C][C][Ring1][Ring1][O][C][C][C][N][C][C][Ring1][Ring1]"}, {"from": "gpt", "value": "The molecule is a benzoquinone-based antineoplastic agent. Inproquone was never marketed."}]