COc1cc2c(cc1OC)C(COc1ccc3c(C)cc(=O)oc3c1)N(C(=O)c1ccc(Cl)cc1)CC2
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?