C[C@@H]1O[C@H](O[C@H]2[C@@H](O)[C@H](O)[C@H](O)[C@H](O)[C@H]2O)[C@@H](N)C[C@@H]1/N=C(\N)C(=O)O
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?