COc1cc(C2SCC(=O)N2c2ccc(NC(=O)c3ccc(N4C(=O)CSC4c4cc(OC)c(OC)c(OC)c4)cc3)cc2)cc(OC)c1OC
Drug-like molecules usually have no more than 5 Hydrogen bond donor. How many hydrogen bond donor does the molecule have?