O=C1CCC[C@@H]2C[C@@]3(C[C@@H]4CCN1[C@@H]42)Nc1cc([N+](=O)[O-])ccc1N=C3NC1CCCCC1
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?