COc1cc2c(=O)n(Cc3ccccc3Cl)c(=O)n(CC(=O)Nc3ccc(C)c(C)c3)c2cc1OC
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?