[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a monocarboxylic acid anion resulting from the deprotonation of the carboxy group of O-formylcefamandole. It is a conjugate base of an O-formylcefamandole."}, {"from": "gpt", "value": "[C][N][C][=Branch1][=Branch1][=N][N][=N][Ring1][Branch1][S][C][C][=C][Branch2][Ring2][Branch1][N][C@@H1][Branch2][Ring1][O][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][C][=O][S][C][Ring2][Ring1][=Branch1][C][=Branch1][C][=O][O-1]"}]