CC1(C)C(=O)/C=C\C(=O)C(C)(C)C(=O)/C=C\C(=O)C(C)(C)c2ccc(o2)C(C)(C)C(=O)/C=C\C1=O
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?