Nc1ccc(Oc2ccc(C34CC5CC(C3)CC(c3ccc(Oc6ccc(N)cc6C(F)(F)F)cc3)(C5)C4)cc2)c(C(F)(F)F)c1
Drug-like molecules usually have no more than 5 Hydrogen bond donor. How many hydrogen bond donor does the molecule have?