Cc1ccc(CNC(=O)C2CCN(S(=O)(=O)c3ccc4nc5c(c(C(=O)O)c4c3)CC(C)CC5)CC2)cc1
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?