CC1=CC(=O)C2=C(C)C[C@@H](O)[C@H]3[C@H](C)C(=O)O[C@H]3[C@H]12.O
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?