ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/C16H30O2/c1-4-5-6-7-8-9-10-11-12-13-14-18-16%2817%2915%282%293/h2%2C4-14H2%2C1%2C3H3/file?format=sdf&get3d=True  -- InChI%3DInChI%3D1S/C16H30O2/c1-4-5-6-7-8-9-10-11-12-13-14-18-16%2817%2915%282%293/h2%2C4-14H2%2C1%2C3H3 could not be loaded.