Using COc1ccccc1CNc1nc(Br)cnc1N, OB(O)c1ccc(Oc2ccccc2)cc1 to produce COc1ccccc1CNc1nc(-c2ccc(Oc3ccccc3)cc2)cnc1N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.