CCN1C(=O)[C@H]2CC[C@H]3/C(=N\O[C@@H]4O[C@@H](COC(C)=O)[C@@H](OC(C)=O)[C@@H](OC(C)=O)[C@H]4OC(C)=O)C[C@@H](O)[C@@H](O)[C@@H]3[C@@H]2C1=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?