Using CC(C)(C)OC(=O)N1CCC(Nc2ccc(C#N)cc2Oc2ccccc2Br)CC1 to produce CC(C)(C)OC(=O)N1CCC(N2c3ccccc3Oc3cc(C#N)ccc32)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.