CC(=O)[C@]1(O)CCC2C3CC(C)C4=CC(=O)C=CC4(C)[C@@]3(F)C(O)C[C@]21C
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?