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 (2R,4R)-6-(3-chlorophenyl)-5'-methyl-2-(2-propoxyethyl)spiro[2,3-dihydrochromene-4,2'-imidazole]-4'-amine into molecular formula.
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C23H26ClN3O2
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