Using CN(C)C=O, COc1ccc(CN2C(=O)OC(CNC(=O)c3ccc(F)cc3)(C(F)(F)F)c3cc(Br)ccc32)cc1 to produce COc1ccc(CN2C(=O)OC(CNC(=O)c3ccc(F)cc3)(C(F)(F)F)c3cc(C#N)ccc32)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.