[{"from": "human", "value": "Please give me some details about this molecule. [C][=C][C][=C][Branch2][Ring1][Ring2][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=C][C][=C][C][=C][Ring1][=Branch1][N+1][=Branch1][C][=O][O-1][N+1][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is biphenyl substituted with nitro groups at the 2- and 2'-positions. It is a member of biphenyls and a C-nitro compound."}]