Using CC(C)NC(C)C, CC(C)(C)OC(=O)N1CC(OCc2ccccc2)C[C@@H]1C(=O)O to produce CC(C)(C)OC(=O)N1CC(OCc2ccccc2)CC1(C)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.