[N-]=[N+]=NC[C@H]1OCO[C@H](CN=[N+]=[N-])[C@@H](OCCOCCCl)[C@@H]1OCCOCCCl
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?