[{"from": "human", "value": "Describe this molecule. [C][=C][Branch2][Ring1][Ring1][C][=N][C][=Branch1][=Branch1][=C][Ring1][=Branch1][C][#N][N][C][C][Branch1][Ring1][C][O][O][N+1][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a C-nitro compound."}]