[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a diethyl 2-methyl-3-hydroxysuccinate."}, {"from": "gpt", "value": "[C][C][O][C][=Branch1][C][=O][C@H1][Branch1][C][C][C@H1][Branch1][Branch2][C][=Branch1][C][=O][O][C][C][O]"}]