Using Cc1ccc(S(=O)(=O)Cl)cc1, CCOC(=O)C=Cc1ccc(Cl)cc1N to produce CCOC(=O)C=Cc1ccc(Cl)cc1NS(=O)(=O)c1ccc(C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.