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-[6-chloro-2-[2-[2-(2,3-dihydroindol-1-yl)-2-oxoethyl]sulfonylacetyl]imino-1,3-benzothiazol-3-yl]acetate into molecular formula.
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C22H20ClN3O6S2
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