Using CC1(C)Oc2ccc(C#N)cc2[C@@H](N2CCNC2=NC#N)[C@@H]1O, CCBr to produce CCN1CCN([C@@H]2c3cc(C#N)ccc3OC(C)(C)[C@H]2O)C1=NC#N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.