ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C37H52N2O11/c1-7-39-18-34(19-50-32(43)20-10-8-9-11-23(20)38-26(40)12-13-27(41)42)15-14-25(46-3)36-22-16-21-24(45-2)17-35(49-6,28(22)29(21)47-4)37(44,33(36)39)31(48-5)30(34)36/h8-11,21-22,24-25,28-31,33,44H,7,12-19H2,1-6H3,(H,38,40)(H,41,42)/t21?,22?,24-,25?,28?,29?,30+,31?,33?,34-,35+,36?,37?/m0/s1/file?format=sdf&get3d=True  -- InChI=1S/C37H52N2O11/c1-7-39-18-34(19-50-32(43)20-10-8-9-11-23(20)38-26(40)12-13-27(41)42)15-14-25(46-3)36-22-16-21-24(45-2)17-35(49-6,28(22)29(21)47-4)37(44,33(36)39)31(48-5)30(34)36/h8-11,21-22,24-25,28-31,33,44H,7,12-19H2,1-6H3,(H,38,40)(H,41,42)/t21?,22?,24-,25?,28?,29?,30+,31?,33?,34-,35+,36?,37?/m0/s1 could not be loaded.