CC(C)(C)[C@H]1COC(=O)CCC/C=C/C[C@H](CC(=O)N(CCO)Cc2ccccc2)C(=O)N1
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?