Using O=[N+]([O-])c1ccccc1F, CCOC(=O)C(Cl)c1ccccc1 to produce CCOC(=O)C(c1ccccc1)c1ccc([N+](=O)[O-])c(F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.