You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[2-[(1E,3Z,5Z)-5-[1,1-dimethyl-6,8-disulfo-3-(3-sulfopropyl)benzo[e]indol-2-ylidene]-3-[3-[12-(2-methylpropanoylamino)-5-oxododecyl]phenyl]penta-1,3-dienyl]-1,1-dimethyl-6,8-disulfobenzo[e]indol-3-ium-3-yl]propane-1-sulfonate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C61H75N3O20S6
assistant