COc1ccc(/C=C2\C[C@H]3[C@@H]4CCC5=C[C@@H](N6CCCC6)CC[C@]5(C)[C@H]4CC[C@]3(C)[C@H]2O)cc1
Drug-like molecules usually have no more than 5 Hydrogen bond donor. How many hydrogen bond donor does the molecule have?