ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/6CHNS.2K.Pt/c6*2-1-3;;;/h6*3H;;;/q;;;;;;2*+1;+4/p-6/file?format=sdf&get3d=True -- InChI=1S/6CHNS.2K.Pt/c6*2-1-3;;;/h6*3H;;;/q;;;;;;2*+1;+4/p-6 could not be loaded.