ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C18H32O2/c1-4-5-6-7-8-9-10-13-18(3,20)16-12-11-15(2)17(19)14-16/h11,16,20H,4-10,12-14H2,1-3H3/t16-,18?/m1/s1/file?format=sdf&get3d=True  -- InChI=1S/C18H32O2/c1-4-5-6-7-8-9-10-13-18(3,20)16-12-11-15(2)17(19)14-16/h11,16,20H,4-10,12-14H2,1-3H3/t16-,18?/m1/s1 could not be loaded.