CC(C)CCC1(O)O[C@H]2C[C@H]3[C@@H]4CCC5CC(=O)C=C[C@]5(C)[C@H]4CC[C@]3(C)[C@H]2[C@@H]1C
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?