ERROR opening https://cactus.nci.nih.gov/chemical/structure/OCCH1OCH%28OCH2OCH%28CO%29CH%28O%29CH%28O%29CH2O%29CH%28O%29CH%28O%29CH1O/file?format=sdf&get3d=True  -- OCCH1OCH%28OCH2OCH%28CO%29CH%28O%29CH%28O%29CH2O%29CH%28O%29CH%28O%29CH1O could not be loaded.