[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is the L-enantiomer of gulonate. It has a role as a human metabolite and a mammalian metabolite. It is a conjugate base of a L-gulonic acid."}, {"from": "gpt", "value": "[C][Branch2][Ring1][#Branch1][C@@H1][Branch2][Ring1][C][C@H1][Branch1][=C][C@@H1][Branch1][#Branch2][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][O][O][O][O][O]"}]