CC(C)CCCC(C)[C@H]1CC[C@H]2[C@@H]3CC[C@H]4C[C@@H](CCC=C(c5cc(Cl)c(O)c(C(=O)OC(C)C)c5)c5cc(Cl)c(O)c(C(=O)OC(C)C)c5)CC[C@]4(C)[C@H]3CC[C@@]21C
Drug-like molecules usually have no more than 5 Hydrogen bond donor. How many hydrogen bond donor does the molecule have?