[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is an organic heterohexacyclic compound that is isolated from Streptomyces sp. A54238. It exhibits inhibitory efficacy against the growth of human tumour cells. It has a role as a metabolite, an antimicrobial agent and an antineoplastic agent. It is an organic heterohexacyclic compound, a member of phenols, an enone, an organonitrogen heterocyclic compound, a secondary alcohol, a cyclic ether, a gamma-lactone and an aromatic ketone."}, {"from": "gpt", "value": "[C][C][C][=C][Branch2][Branch1][C][C][=C][C][=Branch2][Ring2][Branch1][=C][C][C][C][Branch2][Ring1][=Branch2][N][Ring1][Branch1][C][Ring1][Branch2][=C][Ring1][N][C][C][Branch1][Ring2][O][Ring1][S][C][C][=Branch1][C][=O][O][Ring1][#Branch1][C][Branch1][C][C][O][C][=C][C][Ring2][Ring1][#Branch1][=O][O]"}]