Using Cn1cnc(-c2cccc(B3OCC(C)(C)CO3)c2)n1, FC(F)(F)c1cnn2c(Br)cnc2n1 to produce Cn1cnc(-c2cccc(-c3nn4ccnc4nc3C(F)(F)F)c2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.