CC(C)(C)CC(C)(C)NC1=Nc2ccc([N+](=O)[O-])cc2N[C@@]12C[C@@H]1CCN3C(=O)CCC[C@H](C2)[C@H]13
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?