[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][=C][N][C][=C][Ring1][Branch1][C][C][C][Ring1][Ring1][C][N][Branch1][=Branch2][C][Ring1][=Branch1][=C][C][Ring1][#Branch2][=O][C][=Branch1][C][=O][C][=C][C][=C][C][C][N][Branch2][Ring1][Ring1][C][Ring1][Branch1][=C][Branch1][N][C][=Branch1][#Branch1][=C][Ring1][=Branch2][N][Ring1][N][O][C][O][C][=Branch1][C][=O][C][=C][C][=C][C][C][N][Branch2][Ring1][Ring1][C][Ring1][Branch1][=C][Branch1][N][C][=Branch1][#Branch1][=C][Ring1][=Branch2][N][Ring1][N][O][C][O][C][=Branch1][C][=O][C]"}, {"from": "gpt", "value": "The molecule is an antibiotic isolated from the culture broth of Streptomyces sp. QM16 with potent cytotoxic activity against the human tumor cells. It has a role as a metabolite, an antimicrobial agent and an antineoplastic agent. It is a cyclic ketone, a member of phenols, an aromatic ether, a bridged compound and an organonitrogen heterocyclic compound."}]