ERROR opening https://cactus.nci.nih.gov/chemical/structure/CN1CCN%28CC1%29C2%3DNC3%3DCSC%3DC3/C%28%3DC/C%23N%29/C4%3DCSC%3DC42/file?format=sdf&get3d=True  -- CN1CCN%28CC1%29C2%3DNC3%3DCSC%3DC3/C%28%3DC/C%23N%29/C4%3DCSC%3DC42 could not be loaded.