Using O=C(O)C[C@H](Cc1ccccc1)C(=O)OCc1ccccc1, C1CC[C@H]2CNC[C@H]2C1 to produce O=C(OCc1ccccc1)[C@H](CC(=O)N1C[C@H]2CCCC[C@H]2C1)Cc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.