CCOC(=O)C1CCN(c2nc3c(S(=O)(=O)c4ccc(C)c(C)c4)nnn3c3ccc(Cl)cc23)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?