Cc1noc(C)c1S(=O)(=O)N(C)C[C@H]1Oc2c(NC(=O)Nc3ccccc3)cccc2C(=O)N([C@H](C)CO)C[C@@H]1C
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?