CCOC(=O)Cc1ccc(NC(=O)N(Cc2ccc(CC)cc2)Cc2c[nH]nc2-c2ccc(OC)cc2)cc1
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?