CC(=O)O[C@H]1CC[C@@]2(C)C(=C/C(=N\[N+](=O)[O-])[C@@H]3C2CC[C@@]2(C)C3CCC2[C@H](C)CCCC(C)C)C1
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?