[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a metabolite found in or produced by Escherichia coli (strain K12, MG1655)."}, {"from": "gpt", "value": "[C][C@@][Branch1][S][C][Branch1][=Branch2][C@H1][Branch1][Branch1][C][O][Ring1][Branch1][O][Branch1][C][O][O][O]"}]