CC(C)(C)c1cc(COc2c3sc(=S)sc3c(OCc3cc(C(C)(C)C)cc(C(C)(C)C)c3)c3sc(=S)sc23)cc(C(C)(C)C)c1
Drug-like molecules usually have no more than 5 Hydrogen bond donor. How many hydrogen bond donor does the molecule have?