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 benzyl 4-[2-(3-chlorophenyl)ethyl]-2-oxo-6-(1H-pyrrolo[2,3-b]pyridin-3-yl)-5,6-dihydro-1H-pyrimidine-5-carboxylate into molecular formula.
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C27H23ClN4O3
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