Using CCOc1cc(Br)c([N+](=O)[O-])cc1C(F)(F)F, N#C[Cu] to produce CCOc1cc(C#N)c([N+](=O)[O-])cc1C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.