CC[C@@]1(C2OC(C3O[C@](O)(CC)C(C)CC3C)CC2C)CCC([C@@]2(C)CCC3(CC(O)[C@H](C)[C@@H](C(C)C(OC)[C@@H](C)C(=O)[O-])O3)O2)O1.[Na+]
Drug-like molecules usually have no more than 5 Hydrogen bond donor. How many hydrogen bond donor does the molecule have?