Using CC(C)(C)OC(=O)N[C@@H](Cc1ccc(OCc2ccccc2)cc1)C(=O)O, CC1CCC(N)CC1C to produce CC1CCC(NC(=O)[C@H](Cc2ccc(OCc3ccccc3)cc2)NC(=O)OC(C)(C)C)CC1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.