Using Fc1c(C(F)(F)F)ccnc1Cl, Oc1cc(Cl)cc(Cl)c1 to produce FC(F)(F)c1ccnc(Cl)c1Oc1cc(Cl)cc(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.