[{"from": "human", "value": "Provide a description of this molecule. [C][=C][C][=Branch1][=N][=N][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=Branch1][C][=O][O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a pyridinedicarboxylic acid carrying two carboxy groups at positions 2 and 6. It has a role as a bacterial metabolite. It is a conjugate acid of a dipicolinate(1-)."}]