ERROR opening https://cactus.nci.nih.gov/chemical/structure/CC%23N.CC%23N.CC%23N.C1%3DC%5BCH%5DC%3DC1.F%5BP-%5D%28F%29%28F%29%28F%29%28F%29F.%5BRu%2B%5D/file?format=sdf&get3d=True -- CC%23N.CC%23N.CC%23N.C1%3DC%5BCH%5DC%3DC1.F%5BP-%5D%28F%29%28F%29%28F%29%28F%29F.%5BRu%2B%5D could not be loaded.