ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C55H74N4O5/c1-13-39-35(8)42-28-44-37(10)41(24-25-48(60)64-27-26-34(7)23-17-22-33(6)21-16-20-32(5)19-15-18-31(3)4)52(58-44)50-51(55(62)63-12)54(61)49-38(11)45(59-53(49)50)30-47-40(14-2)36(9)43(57-47)29-46(39)56-42/h13,26,28-33,37,41,51,56-57H,1,14-25,27H2,2-12H3/b34-26+,42-28?,43-29?,44-28?,45-30?,46-29?,47-30?,52-50?/t32-,33-,37+,41+,51-/m1/s1/file?format=sdf&get3d=True  -- InChI=1S/C55H74N4O5/c1-13-39-35(8)42-28-44-37(10)41(24-25-48(60)64-27-26-34(7)23-17-22-33(6)21-16-20-32(5)19-15-18-31(3)4)52(58-44)50-51(55(62)63-12)54(61)49-38(11)45(59-53(49)50)30-47-40(14-2)36(9)43(57-47)29-46(39)56-42/h13,26,28-33,37,41,51,56-57H,1,14-25,27H2,2-12H3/b34-26+,42-28?,43-29?,44-28?,45-30?,46-29?,47-30?,52-50?/t32-,33-,37+,41+,51-/m1/s1 could not be loaded.