CCOC(=O)N/N=C1/C[C@@H](O)[C@@H](O)[C@@H]2[C@@H]3C(=O)N(c4cccc(Oc5ccccc5)c4)C(=O)[C@H]3CC[C@@H]12
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?