[{"from": "human", "value": "Provide a description of this molecule. [C][N][C][=Branch1][=Branch1][=N][N][=N][Ring1][Branch1][S][C][C][=C][Branch2][Ring2][Ring1][N][C@@H1][Branch2][Ring1][=Branch2][C@@H1][Branch1][Branch1][C][Ring1][Ring2][=O][N][C][=Branch1][C][=O][C@@H1][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][O][S][C][Ring2][Ring1][Ring2][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is also known as cephamandole. It is a parenterally administered broad-spectrum cephalosporin antibiotic. It is generally formulated as a formate ester, [cefamandole nafate]. It is no longer marketed in the United States."}]