ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C18H36O2/c1-2-3-4-5-8-11-14-17-18(20-17)15-12-9-6-7-10-13-16-19/h17-19H,2-16H2,1H3/file?format=sdf&get3d=True  -- InChI=1S/C18H36O2/c1-2-3-4-5-8-11-14-17-18(20-17)15-12-9-6-7-10-13-16-19/h17-19H,2-16H2,1H3 could not be loaded.