ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C26H28N4O/c1-29(2)26(31)22-7-3-6-21(13-22)19-8-10-20(11-9-19)25-23-15-28-16-24(25)30(23)17-18-5-4-12-27-14-18/h3-14,23-25,28H,15-17H2,1-2H3/t23-,24+,25?/file?format=sdf&get3d=True  -- InChI=1S/C26H28N4O/c1-29(2)26(31)22-7-3-6-21(13-22)19-8-10-20(11-9-19)25-23-15-28-16-24(25)30(23)17-18-5-4-12-27-14-18/h3-14,23-25,28H,15-17H2,1-2H3/t23-,24+,25? could not be loaded.