ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%26%2361%3B1S/C3Cl6O/c4-2%285%2C6%291%2810%293%287%2C8%299/file?format=sdf&get3d=True  -- InChI%3DInChI%26%2361%3B1S/C3Cl6O/c4-2%285%2C6%291%2810%293%287%2C8%299 could not be loaded.