ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C28H48N2O20/c1-7-15(36)20(41)21(42)27(44-7)50-24-23(49-26-14(30-9(3)35)18(39)16(37)10(4-31)46-26)17(38)11(5-32)47-28(24)48-22-12(6-33)45-25(43)13(19(22)40)29-8(2)34/h7,10-28,31-33,36-43H,4-6H2,1-3H3,(H,29,34)(H,30,35)/t7-,10+,11+,12+,13+,14+,15+,16-,17-,18+,19+,20+,21-,22+,23-,24+,25?,26+,27-,28-/m0/s1/file?format=sdf&get3d=True  -- InChI=1S/C28H48N2O20/c1-7-15(36)20(41)21(42)27(44-7)50-24-23(49-26-14(30-9(3)35)18(39)16(37)10(4-31)46-26)17(38)11(5-32)47-28(24)48-22-12(6-33)45-25(43)13(19(22)40)29-8(2)34/h7,10-28,31-33,36-43H,4-6H2,1-3H3,(H,29,34)(H,30,35)/t7-,10+,11+,12+,13+,14+,15+,16-,17-,18+,19+,20+,21-,22+,23-,24+,25?,26+,27-,28-/m0/s1 could not be loaded.