Using N#C[Cu], CC(C)CCCOc1nc(Br)c([N+](=O)[O-])cc1Cl to produce CC(C)CCCOc1nc(C#N)c([N+](=O)[O-])cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.