[{"from": "human", "value": "Generate a molecule based on the given description. 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."}, {"from": "gpt", "value": "[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]"}]