ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C48H97NO4/c1-3-5-7-9-11-13-15-17-18-19-20-21-22-23-24-25-26-27-28-29-31-33-35-37-39-41-43-47(52)48(53)49-45(44-50)46(51)42-40-38-36-34-32-30-16-14-12-10-8-6-4-2/h45-47,50-52H,3-44H2,1-2H3,(H,49,53)/t45-,46+,47?/m0/s1/file?format=sdf&get3d=True  -- InChI=1S/C48H97NO4/c1-3-5-7-9-11-13-15-17-18-19-20-21-22-23-24-25-26-27-28-29-31-33-35-37-39-41-43-47(52)48(53)49-45(44-50)46(51)42-40-38-36-34-32-30-16-14-12-10-8-6-4-2/h45-47,50-52H,3-44H2,1-2H3,(H,49,53)/t45-,46+,47?/m0/s1 could not be loaded.