CC(C)c1cc(C(C)C)c(S(=O)(=O)N2c3ccccc3[C@@]3(Br)C[C@H]4C(=O)N[C@@H](Cc5ccccc5)C(=O)N4[C@@H]23)c(C(C)C)c1
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?