CCN(CC)c1ncnc2c1ncn2[C@@H]1O[C@@H](COP(=O)([O-])OP(=O)([O-])C(Br)(Br)P(=O)([O-])O)[C@H](O)[C@@H]1O.[Na+].[Na+].[Na+]
The donor in a hydrogen bond is usually a strongly electronegative atom such as N, O, or F that is covalently bonded to a hydrogen bond. How many hydrogen bond donors does the molecule have?