[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a white crystalline organic acid that occurs naturally in many plants, most notably in grapes.Tartaric is an alpha-hydroxy-carboxylic acid, is diprotic and aldaric in acid characteristics, and is a dihydroxyl derivative of succinic acid."}, {"from": "gpt", "value": "[C@@H1][Branch1][#Branch2][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][O][Branch1][=Branch1][C][=Branch1][C][=O][O][O]"}]