[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is the L-enantiomer of mannaric acid. It is a conjugate acid of a L-mannarate(1-). It is an enantiomer of a D-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]"}]