ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C42H42N4O2/c1-3-23-21-43-16-15-41-30-9-5-8-12-33(30)46-39(41)28(27(23)18-35(41)43)17-29(40(46)48)34-20-42-31-10-6-7-11-32(31)45-37(47)14-13-25(38(42)45)26-19-36(42)44(34)22-24(26)4-2/h3-13,17,26-28,34-36,38-39H,14-16,18-22H2,1-2H3/b23-3-,24-4-/t26-,27-,28-,34 ,35-,36-,38-,39-,41 ,42 /m0/s1/file?format=sdf&get3d=True  -- InChI=1S/C42H42N4O2/c1-3-23-21-43-16-15-41-30-9-5-8-12-33(30)46-39(41)28(27(23)18-35(41)43)17-29(40(46)48)34-20-42-31-10-6-7-11-32(31)45-37(47)14-13-25(38(42)45)26-19-36(42)44(34)22-24(26)4-2/h3-13,17,26-28,34-36,38-39H,14-16,18-22H2,1-2H3/b23-3-,24-4-/t26-,27-,28-,34 ,35-,36-,38-,39-,41 ,42 /m0/s1 could not be loaded.