Using Cl, O=C(O)C1=Cc2cc(Cl)c(Cl)c(Cl)c2OC1C(F)(F)F to produce O=C(O)[C@H]1Cc2c(cc(Cl)c(Cl)c2Cl)O[C@H]1C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.