[{"from": "human", "value": "Generate a molecule based on this description. The molecule is the open-chain form of D-galactosamine. It is functionally related to an aldehydo-D-galactose."}, {"from": "gpt", "value": "[C][Branch2][Ring1][Ring1][C@H1][Branch1][#C][C@@H1][Branch1][O][C@@H1][Branch1][#Branch1][C@H1][Branch1][Ring1][C][=O][N][O][O][O][O]"}]