Using OCCN1CCOCC1, CC(C)(COS(=O)(=O)CCCCl)[C@@H](OCc1ccccc1)C(=O)O to produce CC(C)(COS(=O)(=O)CCCCl)[C@@H](OCc1ccccc1)C(=O)OCCN1CCOCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.