[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a ketoaldonic acid obtained formally by deamination of neuraminic acid. Although not containing nitrogen it is regarded as being a member of the sialic acid family."}, {"from": "gpt", "value": "[C][C@@H1][Branch2][Ring1][#C][C@H1][Branch2][Ring1][#Branch2][C@@H1][Branch1][=N][O][C][Ring1][=Branch1][Branch1][=Branch1][C][=Branch1][C][=O][O][O][C@@H1][Branch1][#Branch1][C@@H1][Branch1][Ring1][C][O][O][O][O][O]"}]