ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C16H28N2O/c1-16(2,3)14-8-12(10-17(4)5)15(19)13(9-14)11-18(6)7/h8-9,19H,10-11H2,1-7H3/file?format=sdf&get3d=True  -- InChI=1S/C16H28N2O/c1-16(2,3)14-8-12(10-17(4)5)15(19)13(9-14)11-18(6)7/h8-9,19H,10-11H2,1-7H3 could not be loaded.