Using C[O-], O=[N+]([O-])c1cccc(F)c1-c1nnnn1Cc1ccccc1 to produce COc1cccc([N+](=O)[O-])c1-c1nnnn1Cc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.