Using O=[N+]([O-])c1ccc(O)c(F)c1, CCOC(=O)c1cn2ncnc(Cl)c2c1C to produce CCOC(=O)c1cn2ncnc(Oc3ccc([N+](=O)[O-])cc3F)c2c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.