O=C1C2C3C=CC(c4ccccc4)(C2C(=O)N1c1cccc(Cl)c1)C1C(=O)N(c2cccc(Cl)c2)C(=O)C31
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?