Cc1ccc(NC(=O)COC(=O)[C@H](C)N2C(=O)C3CC=CCC3C2=O)cc1S(=O)(=O)N(C)C
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?