C=C1C([C@@H](O)C[C@H](C)C2O[C@@]3(CCCCO3)CC[C@H]2C)OC2CC[C@@]3(CC[C@@H](/C=C/[C@@H](C)C4CC(C)=C[C@]5(O4)O[C@H](C[C@@](C)(O)C(=O)O)CCC5O)O3)OC2[C@@H]1O
Drug-like molecules usually have no more than 5 Hydrogen bond donor. How many hydrogen bond donor does the molecule have?