ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C26H27ClN2/c27-25-15-13-24(14-16-25)26(23-11-5-2-6-12-23)29-20-18-28(19-21-29)17-7-10-22-8-3-1-4-9-22/h1-16,26H,17-21H2/b10-7 /file?format=sdf&get3d=True  -- InChI=1S/C26H27ClN2/c27-25-15-13-24(14-16-25)26(23-11-5-2-6-12-23)29-20-18-28(19-21-29)17-7-10-22-8-3-1-4-9-22/h1-16,26H,17-21H2/b10-7  could not be loaded.