COc1ccc(CN2C(=O)C(CC(=O)NCc3cccc4ccccc34)CC(C(=O)N(C(C)C)C(C)C)=C2C)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?