[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][=C][Branch2][Ring2][N][C][=C][C][=Branch2][Ring2][Branch1][=C][C][=Branch1][N][=C][Ring1][=Branch1][C][=Branch1][C][=O][C][Ring1][O][=O][C][=Branch1][C][=O][C][=C][Branch1][Branch1][C][Ring1][N][=O][C][=Branch1][=Branch1][=C][C][=C][Ring1][Branch2][O][O][O]"}, {"from": "gpt", "value": "The molecule is a member of the class of tetraphenes that is 1,4,7,12-tetrahydrotetraphene substituted by oxo groups at positions 1, 4, 7, and 12, by hydroxy groups at positions 2, 6 and 8, and by a methyl group at position 3. It is a natural product found in Streptomyces antibioticus ATCC 11891 which exhibits cytotoxicity against A549 human lung cancer cells, HepG2 liver cancer cells, and MCF-7 breast cancer cells. It has a role as a bacterial metabolite and an antineoplastic agent. It is an angucycline antibiotic, a member of phenols, a member of p-quinones and a member of tetraphenes."}]