Using CN(C)C=O, CC(C)(O)c1ccc2c(c1)[nH]c1c(C(N)=O)cc(I)c(Br)c12 to produce CC(C)(O)c1ccc2c(c1)[nH]c1c(C(N)=O)cc(C#N)c(Br)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.