CCN(CC)S(=O)(=O)c1ccc2c(c1)N(CC(=O)NCCc1ccc(OC)c(OC)c1)C(=O)CO2
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?