You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (2E)-1-[6-(2,5-dioxopyrrolidin-1-yl)oxy-6-oxohexyl]-3-(2-methoxyethyl)-2-[(E)-3-[1-(2-methoxyethyl)-3-methyl-5-sulfonato-3-(3-sulfonatopropyl)indol-1-ium-2-yl]-2-methylprop-2-enylidene]-3-methylindole-5-sulfonate into its molecular formula.
user
C41H51N3O15S3-2
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