C=CCC[C@@H](Cc1ccc(F)cc1)C(=O)OC[C@@H](NC(=O)[C@@H](CC=C)CC(=O)N[C@@H](CO)Cc1ccccc1)C(C)(C)C
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?