CC1CCN(CCCN2C(=O)C3C(C(=O)Nc4cccc(Cl)c4)C4C=CC3(O4)C2C(=O)NC2CCCCC2)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?