ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/Cu.H2O4S.5H2O/c;1-5(2,3)4;;;;;/h;(H2,1,2,3,4);5*1H2/q 2;;;;;;/p-2/file?format=sdf&get3d=True  -- InChI=1S/Cu.H2O4S.5H2O/c;1-5(2,3)4;;;;;/h;(H2,1,2,3,4);5*1H2/q 2;;;;;;/p-2 could not be loaded.