C#CCOCCOCCOCCNc1nc(N2CCN(C(=O)[C@H](CCCCN)n3cc(CC(C)O)nn3)CC2)nc(N2CCN(C(=O)[C@H]([C@@H](C)O)n3cc(CCCCN)nn3)CC2)n1.Cl
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?