C=C(C)C(=O)O[C@@H]1C[C@@]2(C)O[C@@H]2C[C@H](O)/C(C)=C/[C@H]2OC(=O)C(=C)[C@@H]21
Drug-like molecules usually have no more than 5 Hydrogen bond donor. How many hydrogen bond donor does the molecule have?