Using NC(N)=O, COC(=O)c1cnc(-c2cc(OC)ccc2F)c(OCC(C)C)c1 to produce COC(=O)c1cc(OCC(C)C)c(-c2cc(OC)ccc2F)[n+]([O-])c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.