CC1CC2C(C(O)C[C@]3(C)C2CC[C@]3(O)C(=O)CO)[C@]2(C)C=CC(=O)C=C12
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?