Using Cc1cc(B2OC(C)(C)C(C)(C)O2)cc(C(F)(F)F)n1, Nc1nnc(Br)c(-c2ccccc2)n1 to produce Cc1cc(-c2nnc(N)nc2-c2ccccc2)cc(C(F)(F)F)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.