You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name methyl (4S,5S)-2-[4-(4-chlorophenyl)piperazin-1-yl]-6-oxo-4-phenyl-4,5-dihydro-1H-pyrimidine-5-carboxylate into its molecular formula.
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C22H23ClN4O3
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