C[C@@H](O)C1NC(=O)[C@H](CCCCN)NC(=O)c2cc([N+](=O)[O-])cc(I)c2NCCC[C@@H](C(N)=O)NC1=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?