ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C16H26O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16(17)18/h2-3,6-7,10-11H,4-5,8-9,12-15H2,1H3,(H,17,18)/b3-2 ,7-6 ,11-10 /file?format=sdf&get3d=True  -- InChI=1S/C16H26O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16(17)18/h2-3,6-7,10-11H,4-5,8-9,12-15H2,1H3,(H,17,18)/b3-2 ,7-6 ,11-10  could not be loaded.