COC(=O)[C@@H]1C2CC3c4[nH]c5cc(OC)ccc5c4CCN3CC2C[C@H](OC(=O)c2cc(OC)c(OC)c(OC)c2)C1OC
Drug-like molecules usually have no more than 5 Hydrogen bond donor. How many hydrogen bond donor does the molecule have?