Using O=C(O)c1ccccc1, O=C(OCc1ccccc1)N1CCC[C@]2(CCN([C@H]3CC[C@H](O)CC3)C2=O)C1 to produce O=C(O[C@H]1CC[C@@H](N2CC[C@]3(CCCN(C(=O)OCc4ccccc4)C3)C2=O)CC1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.