CC1CCC2C(C)C3C(CC4C5CC=C6CC(OC7OC(CO)C(O)C(OC8OC(CO)C(O)C(O)C8O)C7OC7OC(C)C(O)C(O)C7O)CCC6(C)C5CCC43C)N2C1
Drug-like molecules usually have no more than 5 Hydrogen bond donor. How many hydrogen bond donor does the molecule have?