[{"from": "human", "value": "Provide a brief overview of this molecule. [C][=C][C][=Branch1][Branch2][=C][C][=C][Ring1][=Branch1][N][=O][S][=Branch1][C][=O][=Branch1][C][=O][N]"}, {"from": "gpt", "value": "The molecule is a sulfonamide that is benzenesulfonamide bearing a nitroso substituent at position 4. It has a role as a hapten and an allergen. It is a nitroso compound and a sulfonamide."}]