COc1cccc([C@@H]2Oc3ccc(OC)cc3/C(=N/OC[C@@H](C)[C@H](OCc3ccccc3)C(C)C)[C@@H]2O)c1
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?