ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C16H26O3/c1-3-4-5-6-7-8-9-10-11-12-14-15(17)13(2)19-16(14)18/h12,15,17H,2-11H2,1H3/file?format=sdf&get3d=True  -- InChI=1S/C16H26O3/c1-3-4-5-6-7-8-9-10-11-12-14-15(17)13(2)19-16(14)18/h12,15,17H,2-11H2,1H3 could not be loaded.