You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2E)-2-[[(3Z)-3-[[3-[4-(2,5-dioxopyrrolidin-1-yl)oxy-4-oxobutyl]-1-[2-[2-[2-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethyl]-1-methyl-6,8-disulfobenzo[e]indol-3-ium-2-yl]methylidene]-2-hydroxy-4-oxocyclobuten-1-yl]methylidene]-3-ethyl-1-methyl-1-(3-sulfopropyl)benzo[e]indole-6,8-disulfonic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C58H70N3O27S5+
assistant