ERROR opening https://cactus.nci.nih.gov/chemical/structure/C1%28c2ccccc2%29%28C%28OCC%29%3DO%29CCN%28C%29CC1/file?format=sdf&get3d=True  -- C1%28c2ccccc2%29%28C%28OCC%29%3DO%29CCN%28C%29CC1 could not be loaded.