[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a monocarboxylic acid anion that is the conjugate base of N-acetyl-alpha-neuraminic acid. It is a carbohydrate acid derivative anion and a monocarboxylic acid anion. It is a conjugate base of a N-acetyl-alpha-neuraminic acid."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][Ring1][O][C][C@@][Branch1][#C][O][C@H1][Ring1][=Branch1][C@@H1][Branch1][#Branch1][C@@H1][Branch1][Ring1][C][O][O][O][Branch1][=Branch1][C][=Branch1][C][=O][O-1][O][O]"}]