COc1ccc(C2C3=C(CC(C)(C)CC3=O)N(CCN3CCOCC3)C3=C2C(=O)CC(C)(C)C3)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?