Using CC(C)Oc1cc(Nc2nc(N[C@@H](CO)c3ccc(F)cc3)c(C#N)cc2F)n[nH]1 to produce CC(C)Oc1cc(Nc2nc(N[C@@H](CO)c3ccc(F)cc3)c(CN)cc2F)n[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.