CC[C@@H](c1ccccc1)n1c(=O)n2n(c1=O)[C@@H]1[C@H](CC2)C(=O)[C@@H]2O[C@@H]2[C@H]1O
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?