Using CCc1cc2nonc2c(NS(=O)(=O)c2cccc3c(N(C)C)cccc23)c1Br, N#C[Cu]C#N to produce CCc1cc2nonc2c(NS(=O)(=O)c2cccc3c(N(C)C)cccc23)c1C#N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.