CCCCCCCC(=O)O[C@H]1[C@H]2[C@@H](CC1(C)C)C(=O)[C@]13O[C@H]1C(=O)[C@]1(CO1)[C@]23C
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?