ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C50H99NO7/c1-3-5-7-9-11-13-15-17-18-19-20-21-22-23-24-25-26-28-30-32-34-36-38-40-48(55)51-45(43-57-50-49(56)47(54)41-44(42-52)58-50)46(53)39-37-35-33-31-29-27-16-14-12-10-8-6-4-2/h44-47,49-50,52-54,56H,3-43H2,1-2H3,(H,51,55)/t44-,45-,46+,47-,49+,50-/m0/s1/file?format=sdf&get3d=True  -- InChI=1S/C50H99NO7/c1-3-5-7-9-11-13-15-17-18-19-20-21-22-23-24-25-26-28-30-32-34-36-38-40-48(55)51-45(43-57-50-49(56)47(54)41-44(42-52)58-50)46(53)39-37-35-33-31-29-27-16-14-12-10-8-6-4-2/h44-47,49-50,52-54,56H,3-43H2,1-2H3,(H,51,55)/t44-,45-,46+,47-,49+,50-/m0/s1 could not be loaded.