ERROR opening https://cactus.nci.nih.gov/chemical/structure/Oc1ccc2c%28c1%29%5BC%40%40%5D3%28CCN%28C%5BC%40H%5D%28C2%29C3%29C%29C/file?format=sdf&get3d=True  -- Oc1ccc2c%28c1%29%5BC%40%40%5D3%28CCN%28C%5BC%40H%5D%28C2%29C3%29C%29C could not be loaded.