[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is the alditol 1-phosphate that is the 1-O-phospho derivative of erythritol with D configuration. It is functionally related to an erythritol. It is a conjugate acid of a D-erythritol 1-phosphate(2-)."}, {"from": "gpt", "value": "[C][Branch2][Ring1][Ring1][C@H1][Branch1][#C][C@H1][Branch1][O][C][O][P][=Branch1][C][=O][Branch1][C][O][O][O][O][O]"}]