COc1cc([C@@H]2c3cc4c(cc3[C@@H](Nc3ccccc3C(=O)c3ccccc3)[C@H]3COC(=O)[C@@H]32)OCO4)cc(OC)c1OC
Drug-like molecules usually have no more than 5 Hydrogen bond donor. How many hydrogen bond donor does the molecule have?