You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named [(2S)-1-(2,5-dichloroanilino)-1-oxopropan-2-yl] 2-(6,7-dihydro-5H-cyclopenta[f][1]benzofuran-3-yl)acetate by IUPAC nomenclature, provide its molecular formula.
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C22H19Cl2NO4
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