ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C29H60O/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-23-24-25-26-27-28-29-30/h30H,2-29H2,1H3/file?format=sdf&get3d=True  -- InChI=1S/C29H60O/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-23-24-25-26-27-28-29-30/h30H,2-29H2,1H3 could not be loaded.