C=CC[C@@H](CC(=O)N[C@@H](CO)Cc1ccccc1)C(=O)NC[C@@H](OC(=O)[C@@H](CC=C)Cc1ccc(F)cc1)c1ccccc1
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?