ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C27H23N7.C2H4O2.ClH/c1-34-25-5-3-2-4-23(25)22-15-10-19(28)16-24(22)26(34)17-6-11-20(12-7-17)31-33-32-21-13-8-18(9-14-21)27(29)30;1-2(3)4;/h2-16H,28H2,1H3,(H3,29,30);1H3,(H,3,4);1H/b26-17-,31-20+,33-32?;;/file?format=sdf&get3d=True  -- InChI=1S/C27H23N7.C2H4O2.ClH/c1-34-25-5-3-2-4-23(25)22-15-10-19(28)16-24(22)26(34)17-6-11-20(12-7-17)31-33-32-21-13-8-18(9-14-21)27(29)30;1-2(3)4;/h2-16H,28H2,1H3,(H3,29,30);1H3,(H,3,4);1H/b26-17-,31-20+,33-32?;; could not be loaded.