You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-[2-[2-[2-[carboxylatomethyl(2-oxidoethyl)amino]-5-[3-(dimethylamino)-6-dimethylazaniumylidenexanthen-9-yl]phenoxy]ethoxy]-4-methyl-N-(2-oxidoethyl)anilino]acetate into molecular formula.
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C40H43N4O9-3
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