[{"from": "human", "value": "Describe this molecule. [C][Branch2][Ring1][=Branch1][C][=Branch1][C][=O][C@@H1][Branch1][=C][C@H1][Branch1][#Branch2][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is a ketogluconic acid that is L-gluconic acid in which the hydroxy group at position 2 has been oxidised to the corresponding ketone. It has a role as a marine metabolite and a bacterial metabolite. It is a ketogluconic acid and a hexonic acid. It is functionally related to a L-gluconic acid. It is a conjugate acid of a 5-dehydro-L-gluconate. It is an enantiomer of a 5-dehydro-D-gluconic acid."}]