Using CC[C@@H](N[C@@H](C)CC(N)=O)c1ccc(Cl)c(C(=O)c2ccc(C#N)cc2)c1F, O=C([O-])[O-] to produce CC[C@@H](N[C@@H](C)CC(N)=O)c1ccc(Cl)c(C(=O)c2ccc(C(N)=O)cc2)c1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.