COc1ccc(CCNC(=O)[C@H](C)N2C(=O)N3CCc4c([nH]c5ccccc45)[C@@]3(C)C2=O)cc1
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?