ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/2C2HF3O2.Cu/c2*3-2(4,5)1(6)7;/h2*(H,6,7);/q;; 2/p-2/file?format=sdf&get3d=True  -- InChI=1S/2C2HF3O2.Cu/c2*3-2(4,5)1(6)7;/h2*(H,6,7);/q;; 2/p-2 could not be loaded.