[{"from": "human", "value": "Please give me some details about this molecule. [N+1][=Branch1][C][=O][Branch1][C][O-1][O-1].[N+1][=Branch1][C][=O][Branch1][C][O-1][O-1].[Cu+2]"}, {"from": "gpt", "value": "The molecule are blue crystalline solids. Used in medicine, as an insecticide, in chemical analysis, in making light sensitive papers. Toxic oxides of nitrogen are produced in fires involving this material."}]