ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C40H56/c1-33(2)19-13-23-37(7)27-17-31-39(9)29-15-25-35(5)21-11-12-22-36(6)26-16-30-40(10)32-18-28-38(8)24-14-20-34(3)4/h11-12,15-22,25-32H,13-14,23-24H2,1-10H3/b12-11 ,25-15 ,26-16 ,31-17 ,32-18 ,35-21 ,36-22 ,37-27 ,38-28 ,39-29 ,40-30 /file?format=sdf&get3d=True -- InChI=1S/C40H56/c1-33(2)19-13-23-37(7)27-17-31-39(9)29-15-25-35(5)21-11-12-22-36(6)26-16-30-40(10)32-18-28-38(8)24-14-20-34(3)4/h11-12,15-22,25-32H,13-14,23-24H2,1-10H3/b12-11 ,25-15 ,26-16 ,31-17 ,32-18 ,35-21 ,36-22 ,37-27 ,38-28 ,39-29 ,40-30 could not be loaded.