Using FC(F)(F)c1ccc(Cl)nc1, O=C1CCc2c(O)cccc21 to produce O=C1CCc2c(Oc3ccc(C(F)(F)F)cn3)cccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.