Using FC(F)(F)c1ccc(-c2nc(Oc3csc(C(F)(F)F)c3)cc(Oc3csc(C(F)(F)F)c3)n2)cc1 to produce COc1cc(Oc2csc(C(F)(F)F)c2)nc(-c2ccc(C(F)(F)F)cc2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.