COC(=O)[C@@]1(Cc2ccc(OC)cc2)[C@H]2[C@H](CC(=O)C(=O)N(C)C)C(=O)C[C@H]2CN1C(=O)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?