ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C16H26O2/c17-16(18)14-8-6-4-2-1-3-5-7-11-15-12-9-10-13-15/h1-2,9,12,15H,3-8,10-11,13-14H2,(H,17,18)/b2-1 /file?format=sdf&get3d=True  -- InChI=1S/C16H26O2/c17-16(18)14-8-6-4-2-1-3-5-7-11-15-12-9-10-13-15/h1-2,9,12,15H,3-8,10-11,13-14H2,(H,17,18)/b2-1  could not be loaded.