ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C28H46/c1-18-11-15-26(4)16-12-23-21(25(26)20(18)3)9-10-24-27(5)14-7-8-19(2)22(27)13-17-28(23,24)6/h9,18-20,22-25H,7-8,10-17H2,1-6H3/t18?,19?,20-,22?,23?,24?,25?,26+,27-,28-/m0/s1/file?format=sdf&get3d=True  -- InChI=1S/C28H46/c1-18-11-15-26(4)16-12-23-21(25(26)20(18)3)9-10-24-27(5)14-7-8-19(2)22(27)13-17-28(23,24)6/h9,18-20,22-25H,7-8,10-17H2,1-6H3/t18?,19?,20-,22?,23?,24?,25?,26+,27-,28-/m0/s1 could not be loaded.