ERROR opening https://cactus.nci.nih.gov/chemical/structure/O1%5BC%40H%5D%28SC%5BC%40%40%5D12CN3CCC2CC3%29C/file?format=sdf&get3d=True  -- O1%5BC%40H%5D%28SC%5BC%40%40%5D12CN3CCC2CC3%29C could not be loaded.