Cl.O=C(CSc1c2ccccc2nc2ccccc12)Nc1ccccc1-c1ccccc1NC(=O)CSc1c2ccccc2nc2ccccc12
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?