ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C34H66O2/c1-3-5-7-9-11-13-15-17-19-20-22-24-26-28-30-32-34(35)36-33-31-29-27-25-23-21-18-16-14-12-10-8-6-4-2/h17,19H,3-16,18,20-33H2,1-2H3/b19-17-/file?format=sdf&get3d=True  -- InChI=1S/C34H66O2/c1-3-5-7-9-11-13-15-17-19-20-22-24-26-28-30-32-34(35)36-33-31-29-27-25-23-21-18-16-14-12-10-8-6-4-2/h17,19H,3-16,18,20-33H2,1-2H3/b19-17- could not be loaded.