O=C1NC[C@H](c2ccccc2)OC(=O)[C@@H](Cc2ccc(F)cc2)CC/C=C/C[C@H]1CC(=O)N(CCO)Cc1ccccc1
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?