ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C34H66O2/c1-4-7-10-13-15-16-17-18-19-20-21-22-23-25-28-31-34(35)36-32-33(29-26-12-9-6-3)30-27-24-14-11-8-5-2/h18-19,33H,4-17,20-32H2,1-3H3/b19-18-/file?format=sdf&get3d=True  -- InChI=1S/C34H66O2/c1-4-7-10-13-15-16-17-18-19-20-21-22-23-25-28-31-34(35)36-32-33(29-26-12-9-6-3)30-27-24-14-11-8-5-2/h18-19,33H,4-17,20-32H2,1-3H3/b19-18- could not be loaded.