[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is the (S)-enantiomer of 2-phospholactic acid. It is a carboxyalkyl phosphate and a 2-phospholactic acid. It is a conjugate acid of a 2-phospho-L-lactate and a 2-phosphonato-L-lactate(3-)."}, {"from": "gpt", "value": "[C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][O][P][=Branch1][C][=O][Branch1][C][O][O]"}]