ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C40H40N4O8/c1-8-22-19(2)28-16-33-26-12-9-25(38(49)51-6)37(39(50)52-7)40(26,5)34(44-33)18-29-21(4)24(11-14-36(47)48)32(43-29)17-31-23(10-13-35(45)46)20(3)27(42-31)15-30(22)41-28/h8-9,12,15-18,37,42,44H,1,10-11,13-14H2,2-7H3,(H,45,46)(H,47,48)/t37-,40 /m0/s1/file?format=sdf&get3d=True  -- InChI=1S/C40H40N4O8/c1-8-22-19(2)28-16-33-26-12-9-25(38(49)51-6)37(39(50)52-7)40(26,5)34(44-33)18-29-21(4)24(11-14-36(47)48)32(43-29)17-31-23(10-13-35(45)46)20(3)27(42-31)15-30(22)41-28/h8-9,12,15-18,37,42,44H,1,10-11,13-14H2,2-7H3,(H,45,46)(H,47,48)/t37-,40 /m0/s1 could not be loaded.