Cc1ccc(C(=O)OCC(=O)Nc2cc(S(C)(=O)=O)ccc2Cl)cc1S(=O)(=O)N1CCCCC1
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?