ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/C16H30O/c1-15-12-10-8-6-4-2-3-5-7-9-11-13-16%2817%2914-15/h15H%2C2-14H2%2C1H3/file?format=sdf&get3d=True  -- InChI%3DInChI%3D1S/C16H30O/c1-15-12-10-8-6-4-2-3-5-7-9-11-13-16%2817%2914-15/h15H%2C2-14H2%2C1H3 could not be loaded.