Cl.O=C(OCN1C(=O)C2C3C=CC(C2C1=O)C1C2C(=O)N(COC(=O)C4CCCN4)C(=O)C2C31)C1CCCN1
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?