COc1ccc(N2C(=O)/C(=C\NNS(=O)(=O)c3cccc([N+](=O)[O-])c3)c3ccccc3C2=O)cc1OC
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?