[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][C][N][Branch1][=Branch1][C][C][N][Ring1][=Branch1][C][=C][Branch2][Ring2][C][C][=Branch2][Ring1][=N][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][N][Branch1][=C][C][=C][Branch1][Branch1][C][Ring1][#Branch1][=O][C][=Branch1][C][=O][O][C][C][C][Ring1][Ring1][C][F]"}, {"from": "gpt", "value": "The molecule is an oral broad-spectrum quinoline antibacterial agent used to treat bacterial infections. Due to the QTc-prolonging potential, as indicated by the changes in the QT interval on the electrocardiogram, and the risk for cardiovascular adverse events, grepafloxacin was withdrawn in the United States."}]