Using CC(C)(C)OC(=O)N1CC(C)(C)c2ncc(Br)cc21, CON(C)C(=O)c1ccccc1 to produce CC(C)(C)OC(=O)N1CC(C)(C)c2ncc(C(=O)c3ccccc3)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.