Using OCC1CC1(F)F, O=[N+]([O-])c1ccc(S(=O)(=O)Cl)cc1 to produce O=[N+]([O-])c1ccc(S(=O)(=O)OCC2CC2(F)F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.