CCOC(=O)[C@@]1(C)C=C2O[C@@H]3OC4(CCCCC4)O[C@@H]3C2=C2C(O)=CC=C(O)[C@]21C(=O)OC
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?