[{"from": "human", "value": "Provide a brief overview of this molecule. [C][O][C][=Branch1][C][=O][/C][=Branch1][#Branch1][=C][/C][=Branch1][C][=O][O-1][/C][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a metabolite found in or produced by Escherichia coli (strain K12, MG1655)."}]