[{"from": "human", "value": "Describe this molecule. [C][=C][Branch2][Ring1][=C][C][=Branch2][Ring1][Branch1][=C][C][=Branch1][=Branch2][=C][Ring1][=Branch1][N+1][=Branch1][C][=O][O-1][S][=Branch1][C][=O][=Branch1][C][=O][O][N+1][=Branch1][C][=O][O-1][N+1][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is an arenesulfonic acid that is benzene with a sulfo group at position 1 and three nitro substituents in the 2-, 4- and 5-positions. It has a role as a hapten. It is an arenesulfonic acid and a C-nitro compound."}]