You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule methyl 2-[[3'-acetyloxy-6'-(4-hydroxy-N-methylanilino)-3-oxospiro[2-benzofuran-1,9'-xanthene]-5-carbonyl]-(2-methoxy-2-oxoethyl)amino]acetate into molecular formula.
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C36H30N2O11
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