Cc1ccc([C@@H]2C[C@H]3[C@@H](CN2S(=O)(=O)c2ccc(C)cc2)C(=O)C[C@@H](c2ccc(C)cc2)N3S(=O)(=O)c2ccc(Cl)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?