C[C@]12CC[C@H]3[C@@H](CCC4=C/C(=N/O)CC[C@@]43C)[C@@H]1CC(=C\c1ccc([N+](=O)[O-])cc1)/C2=N\O
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?