[{"from": "human", "value": "Could you provide a description of this molecule? [C][C@@][Branch2][Branch1][O][C][=C][Branch1][S][C][=Branch1][C][=O][C][=C][Ring1][#Branch1][C][=C][C][=C][Ring1][=Branch1][O][C][=Branch1][C][=O][C@][Branch2][Ring1][#C][C@@H1][Branch1][Ring2][C][Ring1][S][C@@H1][Branch1][P][C][=Branch1][C][=O][C][=Branch1][Branch1][=C][Ring1][Branch2][O][C][=Branch1][C][=O][N][N][Branch1][C][C][C][O][O]"}, {"from": "gpt", "value": "The molecule is the 12-dehydro derivative of tetracycline. It is a tertiary alpha-hydroxy ketone and a member of tetracyclines. It is a tautomer of a 12-dehydrotetracycline zwitterion."}]