Using COc1cc(B2OC(C)(C)C(C)(C)O2)ccc1O, Cc1cn2nc(Br)sc2n1 to produce COc1cc(-c2nn3cc(C)nc3s2)ccc1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.