Using CC(C)(C)OC(=O)CBr, CC(C)CC1CCN(CCc2ccccc2)C1=O to produce CC(C)CC1(CC(=O)OC(C)(C)C)CCN(CCc2ccccc2)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.