CC[C@H]1[C@@H](OC(=O)Nc2ccccc2)C[C@@H]2CCN3C(=O)CCC[C@H]1[C@H]23
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?