Using Cc1ccc(S(=O)(=O)Cl)cc1, O=C1CCCNc2ccccc21 to produce Cc1ccc(S(=O)(=O)N2CCCC(=O)c3ccccc32)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.