Using CN(C)C=O, CCCCCCCN(CCc1ccc(Br)cc1)C(=O)OC(C)(C)C to produce CCCCCCCN(CCc1ccc(C=O)cc1)C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.