Using CCOP(=O)(OCC)C(F)(F)c1cc2nc(/C=N/O)ccc2cc1Br to produce CCOP(=O)(OCC)C(F)(F)c1cc2nc(C#N)ccc2cc1Br, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.