COc1cc(-c2cn(S(=O)(=O)c3ccc(C)cc3)c3ccccc23)nc(-c2cn(S(=O)(=O)c3ccc(C)cc3)c3ccccc23)n1
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?