Using N#C[Cu], Cc1cc(Br)c([N+](=O)[O-])cc1C(F)(F)F to produce Cc1cc(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.