Using CCc1nc2cc(B3OC(C)(C)C(C)(C)O3)ccc2n1-c1ccc(CCO)cc1, Brc1cncnc1 to produce CCc1nc2cc(-c3cncnc3)ccc2n1-c1ccc(CCO)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.