Using CN, Cc1c(F)c([N+](=O)[O-])cc(C(=O)O)c1Cl to produce CNc1c([N+](=O)[O-])cc(C(=O)O)c(Cl)c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.