Using COC(C(=O)NCc1ccc(C#N)cc1)c1c(F)ccc(NC(=O)OC(C)(C)C)c1F to produce COC(C(=O)NCc1ccc(C#N)cc1)c1c(F)ccc(N)c1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.