COc1ccc(C2CC(=O)Oc3c(C(CCN4CCN(c5ccccc5)CC4)c4cc(OC)c(OC)c(OC)c4)c(OC)cc(OC)c32)cc1
Drug-like molecules usually have no more than 5 Hydrogen bond donor. How many hydrogen bond donor does the molecule have?