CC(=O)OC1CC(OC(C)=O)[C@]2(C)C(CC(=O)[C@]3(C)C2CC[C@@]2(C)C(c4ccoc4)OC(=O)C4O[C@@]423)C1(C)C
Drug-like molecules usually have no more than 5 Hydrogen bond donor. How many hydrogen bond donor does the molecule have?