O=C(C[C@H]1C/C=C\C[C@@H](Cc2ccc(F)cc2)C(=O)OC[C@@H]2CCCN2C1=O)NCCO
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?