Cc1ccc(S(=O)(=O)N[C@@H]2COC(=O)C/C=C\[C@@H](C)[C@@H](NS(=O)(=O)c3ccc(C)cc3)COC(=O)C/C=C\[C@H]2C)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?