[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a sulfonamide that is sulfanilamide substituted at the sulfonamide nitrogen by a 4-carboxyphenyl group. It has a role as an allergen. It is a sulfonamide and a member of benzoic acids. It is functionally related to a sulfanilamide."}, {"from": "gpt", "value": "[C][=C][C][=Branch1][O][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][O][N][S][=Branch1][C][=O][=Branch1][C][=O][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N]"}]