ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C43H57N7O7/c1-27(2)34(41(54)50-40(28(3)51)43(56)46-24-31-16-9-10-19-45-31)22-37(52)35(20-29-12-5-4-6-13-29)49-42(55)36(21-32-23-44-26-47-32)48-39(53)25-57-38-18-11-15-30-14-7-8-17-33(30)38/h7-11,14-19,23,26-29,34-37,40,51-52H,4-6,12-13,20-22,24-25H2,1-3H3,(H,44,47)(H,46,56)(H,48,53)(H,49,55)(H,50,54)/t28?,34-,35-,36-,37-,40-/m0/s1/file?format=sdf&get3d=True  -- InChI=1S/C43H57N7O7/c1-27(2)34(41(54)50-40(28(3)51)43(56)46-24-31-16-9-10-19-45-31)22-37(52)35(20-29-12-5-4-6-13-29)49-42(55)36(21-32-23-44-26-47-32)48-39(53)25-57-38-18-11-15-30-14-7-8-17-33(30)38/h7-11,14-19,23,26-29,34-37,40,51-52H,4-6,12-13,20-22,24-25H2,1-3H3,(H,44,47)(H,46,56)(H,48,53)(H,49,55)(H,50,54)/t28?,34-,35-,36-,37-,40-/m0/s1 could not be loaded.