Cc1ccc([C@@H]2[C@@H]3C(=O)N(C)C(=O)[C@@H]3[C@]3(Cc4ccccc4)C(=O)N(Cc4ccccc4)CC(=O)N23)o1
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?