ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C39H55N7O5.C2H4O2/c40-30-16-19-46(20-17-30)36(48)23-29(21-27-9-3-1-4-10-27)38(50)45-34(24-32-25-41-26-43-32)39(51)44-33(22-28-11-5-2-6-12-28)37(49)35(47)15-14-31-13-7-8-18-42-31;1-2(3)4/h1,3-4,7-10,13,18,25-26,28-30,33-35,37,47,49H,2,5-6,11-12,14-17,19-24,40H2,(H,41,43)(H,44,51)(H,45,50);1H3,(H,3,4)/t29?,33?,34-,35-,37+;/m0./s1/file?format=sdf&get3d=True  -- InChI=1S/C39H55N7O5.C2H4O2/c40-30-16-19-46(20-17-30)36(48)23-29(21-27-9-3-1-4-10-27)38(50)45-34(24-32-25-41-26-43-32)39(51)44-33(22-28-11-5-2-6-12-28)37(49)35(47)15-14-31-13-7-8-18-42-31;1-2(3)4/h1,3-4,7-10,13,18,25-26,28-30,33-35,37,47,49H,2,5-6,11-12,14-17,19-24,40H2,(H,41,43)(H,44,51)(H,45,50);1H3,(H,3,4)/t29?,33?,34-,35-,37+;/m0./s1 could not be loaded.