Cc1ccc(S(=O)(=O)N2CCC(C(=O)OCC(=O)Nc3cc(S(C)(=O)=O)ccc3Cl)CC2)cc1C
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?