CC(C)(C)[S+]([O-])N1Cc2cc(C(=O)N[C@@H]3CCN(Cc4ccccc4)C3)nc(-c3cccc(-c4cc5ccccc5o4)c3)c2[C@@H]1CCO
Drug-like molecules usually have no more than 5 Hydrogen bond donor. How many hydrogen bond donor does the molecule have?