Using CS(=O)(=O)N(c1ccc([N+](=O)[O-])cc1I)S(C)(=O)=O to produce CS(=O)(=O)Nc1ccc([N+](=O)[O-])cc1I, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.