Using O=[N+]([O-])c1ccccc1F, CCOC(=O)c1nc(C)sc1N to produce CCOC(=O)c1nc(C)sc1Nc1ccccc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.