C[C@]12CC[C@H](O)C=C1CC[C@@H]1[C@@H]2CC[C@]2(C)C(c3ccc(=O)oc3)CC[C@]12O
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?