ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C28H24N2O6/c1-11-5-15(31)7-18(33)23(11)25-13(3)27-21(9-17(25)29)36-22-10-20(35)26(14(4)28(22)30-27)24-12(2)6-16(32)8-19(24)34/h5-10,31-34H,29H2,1-4H3/file?format=sdf&get3d=True  -- InChI=1S/C28H24N2O6/c1-11-5-15(31)7-18(33)23(11)25-13(3)27-21(9-17(25)29)36-22-10-20(35)26(14(4)28(22)30-27)24-12(2)6-16(32)8-19(24)34/h5-10,31-34H,29H2,1-4H3 could not be loaded.