Cc1cc(Cl)ccc1NC(=O)/C(=N\NC(C)(C)C)C(C#N)c1nc(-c2ccc([N+](=O)[O-])cc2)cs1
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?