ERROR opening https://cactus.nci.nih.gov/chemical/structure/B-1%28OOB-%28OO1%29%28O%29O%29%28O%29O.Na%20.Na%20/file?format=sdf&get3d=True  -- B-1%28OOB-%28OO1%29%28O%29O%29%28O%29O.Na%20.Na%20 could not be loaded.