[{"from": "human", "value": "Provide a description of this molecule. [C][=N][C][=Branch1][N][=C][Branch1][Ring2][N][Ring1][Branch1][C][=Branch1][C][=O][N][N]"}, {"from": "gpt", "value": "The molecule is a metabolite found in or produced by Escherichia coli (strain K12, MG1655)."}]