Using CC(=O)Nc1cc2c(cc1Br)C(Nc1ccc(C(=O)OC(C)(C)C)c(F)c1)CC2, [C-]#N to produce CC(=O)Nc1cc2c(cc1C#N)C(Nc1ccc(C(=O)OC(C)(C)C)c(F)c1)CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.