COc1ccc([C@@H]2CC(=O)[C@@H]3CN(S(=O)(=O)c4ccc(C)cc4)[C@H](c4cccc(Cl)c4)C[C@@H]3N2S(=O)(=O)c2ccccc2)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?