C[C@H]1CC[C@@]2(NC1)O[C@@H]1C[C@@H]3[C@@H]4CC=C5C[C@@H](O)CC[C@]5(C)[C@@H]4CC[C@]3(C)[C@H]1[C@@H]2C
Drug-like molecules usually have no more than 5 Hydrogen bond donor. How many hydrogen bond donor does the molecule have?