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