CC(=O)O[C@H]1CC[C@@]2(C)C(=CC[C@H]3[C@@H]4C/C(=C/c5ccccc5)C(=O)[C@@]4(C)CC[C@@H]32)C1
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?