Using CCOC(=O)CCCCCCCCCCN, O=C(c1ccccc1)c1cc(Cl)ccc1S(=O)(=O)Cl to produce CCOC(=O)CCCCCCCCCCNS(=O)(=O)c1ccc(Cl)cc1C(=O)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.