ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C37H46N4O6/c1-24(17-26-5-11-30(46-3)12-6-26)38-21-34(28-9-15-35(43)32(19-28)40-23-42)41-33-20-29(10-16-36(33)44)37(45)22-39-25(2)18-27-7-13-31(47-4)14-8-27/h5-16,19-20,23-25,34,37-39,41,43-45H,17-18,21-22H2,1-4H3,(H,40,42)/file?format=sdf&get3d=True  -- InChI=1S/C37H46N4O6/c1-24(17-26-5-11-30(46-3)12-6-26)38-21-34(28-9-15-35(43)32(19-28)40-23-42)41-33-20-29(10-16-36(33)44)37(45)22-39-25(2)18-27-7-13-31(47-4)14-8-27/h5-16,19-20,23-25,34,37-39,41,43-45H,17-18,21-22H2,1-4H3,(H,40,42) could not be loaded.