Using FC(F)(F)c1cccc(-c2cccc(Br)c2)n1, COc1cc(B(O)O)ccc1OCc1ccccc1 to produce COc1cc(-c2cccc(-c3cccc(C(F)(F)F)n3)c2)ccc1OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.