Using CC(=O)Nc1ccc(S(=O)(=O)Cl)cc1Cl, Nc1ccc(S(N)(=O)=O)cc1 to produce Nc1ccc(S(=O)(=O)Nc2ccc(S(N)(=O)=O)cc2)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.