NC(=O)CC[C@@H]1NC(=O)C(Cc2ccc(O)cc2)NC(=O)c2cc([N+](=O)[O-])cc(F)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?