[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is the D-enantiomer of mannaric acid. It is a conjugate acid of a D-mannarate(1-). It is an enantiomer of a L-mannaric acid."}, {"from": "gpt", "value": "[C@H1][Branch1][=C][C@@H1][Branch1][#Branch2][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][O][O][Branch1][#Branch2][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][O][O]"}]