COc1cc(C2c3[nH]c4ccccc4c3C[C@H]3C(=O)N(C4CC4)CC(=O)N23)ccc1OC(C)C
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?