COc1ccc(CNC(=O)C[C@@H]2C[C@H]3c4cc(NC(=O)C5CCC5)ccc4O[C@H]3[C@@H](CO)O2)cc1
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?