Using CC(C)N(CC[C@H](c1ccccc1)c1cc(Br)ccc1OCc1ccccc1)C(C)C, C=CC#N to produce CC(C)N(CC[C@H](c1ccccc1)c1cc(C=CC#N)ccc1OCc1ccccc1)C(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.