CC1=C(C(=O)N(C(C)C)C(C)C)CC(CC(=O)NCCCCc2ccccc2)C(=O)N1Cc1ccccc1
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?