[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a lactate ester resulting from the formal condensation of the carboxy group of 2-hydroxypropanoic acid with methanol. It has a role as a metabolite. It is a lactate ester and a methyl ester."}, {"from": "gpt", "value": "[C][C][Branch1][#Branch1][C][=Branch1][C][=O][O][C][O]"}]