COc1ccc(NC(=O)[C@@H](NC(=O)N2C[C@@H]3C[C@H](C2)Cn2c3cccc2=O)C(C)C)cc1OC
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?