ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C47H75N5O8/c1-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-31-41(54)48-32-25-24-29-39(45(57)60-36(2)34-42(55)50-38-28-23-26-33-49-43(38)56)51-46(58)47(3)35-59-44(52-47)37-27-21-22-30-40(37)53/h20-22,27,30-31,36,38-39,53H,4-19,23-26,28-29,32-35H2,1-3H3,(H,48,54)(H,49,56)(H,50,55)(H,51,58)/b31-20-/file?format=sdf&get3d=True  -- InChI=1S/C47H75N5O8/c1-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-31-41(54)48-32-25-24-29-39(45(57)60-36(2)34-42(55)50-38-28-23-26-33-49-43(38)56)51-46(58)47(3)35-59-44(52-47)37-27-21-22-30-40(37)53/h20-22,27,30-31,36,38-39,53H,4-19,23-26,28-29,32-35H2,1-3H3,(H,48,54)(H,49,56)(H,50,55)(H,51,58)/b31-20- could not be loaded.