O=c1n(Cc2cc3c(cc2Cl)OCO3)c(=O)n2n1CC[C@H]1/C(=N\OC[C@@H](O)COCc3ccco3)[C@H]3O[C@@H]3[C@@H](O)[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?