Using CN(C)C=O, CCOc1ncccc1C1(O)C(=O)Nc2cc(F)c(Br)cc21 to produce CCOc1ncccc1C1(O)C(=O)Nc2cc(F)c(C#N)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.