ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C13H10Cl2N2O/c14-9-5-1-3-7-11(9)16-13(18)17-12-8-4-2-6-10(12)15/h1-8H,(H2,16,17,18)/file?format=sdf&get3d=True -- InChI=1S/C13H10Cl2N2O/c14-9-5-1-3-7-11(9)16-13(18)17-12-8-4-2-6-10(12)15/h1-8H,(H2,16,17,18) could not be loaded.