ERROR opening https://cactus.nci.nih.gov/chemical/structure/c1cc%28ccc1C%29%5BC%40%5D32CNC%5BC%40%40H%5D2C3/file?format=sdf&get3d=True  -- c1cc%28ccc1C%29%5BC%40%5D32CNC%5BC%40%40H%5D2C3 could not be loaded.