ERROR opening https://cactus.nci.nih.gov/chemical/structure/Oc1ccc%28CC2NCCc3cc%28O%29c%28O%29cc23%29cc1/file?format=sdf&get3d=True  -- Oc1ccc%28CC2NCCc3cc%28O%29c%28O%29cc23%29cc1 could not be loaded.