CCOC(=O)/C(C#N)=C(/NS(=O)(=O)c1cc(C)c(Cl)cc1[S-])[n+]1ccc(N(C)C)cc1
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?