Using Nc1ccc(F)c(N2C(=O)C3=C(CCCC3)C2=O)c1, O=N[O-] to produce O=C1C2=C(CCCC2)C(=O)N1c1cc(O)ccc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.