ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C51H78O8/c1-10-39(4)26-17-15-13-11-12-14-16-18-36-46(52)57-37-45-47(53)48(54)49(55)51(58-45)59-50(56)44(9)35-24-34-43(8)33-23-31-41(6)28-20-19-27-40(5)30-22-32-42(7)29-21-25-38(2)3/h19-20,22-25,27-28,30-35,39,45,47-49,51,53-55H,10-18,21,26,29,36-37H2,1-9H3/b20-19+,30-22+,31-23+,34-24+,40-27+,41-28+,42-32+,43-33+,44-35+/t39?,45-,47-,48+,49-,51+/m1/s1/file?format=sdf&get3d=True  -- InChI=1S/C51H78O8/c1-10-39(4)26-17-15-13-11-12-14-16-18-36-46(52)57-37-45-47(53)48(54)49(55)51(58-45)59-50(56)44(9)35-24-34-43(8)33-23-31-41(6)28-20-19-27-40(5)30-22-32-42(7)29-21-25-38(2)3/h19-20,22-25,27-28,30-35,39,45,47-49,51,53-55H,10-18,21,26,29,36-37H2,1-9H3/b20-19+,30-22+,31-23+,34-24+,40-27+,41-28+,42-32+,43-33+,44-35+/t39?,45-,47-,48+,49-,51+/m1/s1 could not be loaded.