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 (3R,4'S)-6-chloro-4'-(3-chlorophenyl)-6'-hydroxy-1'-(3-methylbut-2-en-2-yl)spiro[1H-indole-3,3'-cyclohexene]-2-one into molecular formula.
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C24H23Cl2NO2
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