Using O=C(Cl)OCc1ccccc1, COC1O[C@@H]2CCN[C@H]1[C@H]2OCc1ccccc1 to produce COC1O[C@@H]2CCN(C(=O)OCc3ccccc3)[C@H]1[C@H]2OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.