Using NCc1ccc(Br)cc1, Nc1ncnc2c1nc(Br)n2[C@@H]1O[C@H](CO)[C@@H](O)[C@H]1O to produce Nc1ncnc2c1nc(NCc1ccc(Br)cc1)n2[C@@H]1O[C@H](CO)[C@@H](O)[C@H]1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.