[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a deoxygalactonolactone with the hydroxy group at position 6 replaced by hydrogen."}, {"from": "gpt", "value": "[C][C@@H1][C@@H1][Branch1][S][C@@H1][Branch1][N][C@H1][Branch1][Branch2][C][=Branch1][C][=O][O][Ring1][#Branch1][O][O][O]"}]