[{"from": "human", "value": "Generate a molecule based on this description. The molecule is the arenesulfonic acid that is benzenesulfonic acid with two nitro substituents in the 2- and 4-positions. It is an arenesulfonic acid and a C-nitro compound. It is a conjugate acid of a 2,4-dinitrobenzenesulfonate."}, {"from": "gpt", "value": "[C][=C][C][=Branch2][Ring1][C][=C][Branch1][#Branch2][C][=C][Ring1][=Branch1][N+1][=Branch1][C][=O][O-1][N+1][=Branch1][C][=O][O-1][S][=Branch1][C][=O][=Branch1][C][=O][O]"}]