Using O=Cc1cc(F)c(F)c(F)c1, Oc1ccc(Cl)c(C(F)(F)F)c1 to produce O=Cc1cc(F)c(Oc2ccc(Cl)c(C(F)(F)F)c2)c(F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.