ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%26%2361%3B1S/C18H36O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18%2819%2920/h2-17H2%2C1H3%2C%28H%2C19%2C20%29/file?format=sdf&get3d=True -- InChI%3DInChI%26%2361%3B1S/C18H36O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18%2819%2920/h2-17H2%2C1H3%2C%28H%2C19%2C20%29 could not be loaded.