Using FC(F)(F)c1ccc(-c2cc(Cl)ncn2)cc1, COc1ccc2nc(C)cc(O)c2c1 to produce COc1ccc2nc(C)cc(Oc3cc(-c4ccc(C(F)(F)F)cc4)ncn3)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.