Using Oc1cnc(C(F)(F)F)c(Cl)c1, O=Cc1ccc(F)cc1 to produce O=Cc1ccc(Oc2cnc(C(F)(F)F)c(Cl)c2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.