You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 2-phenoxyethyl 4-(4-fluorophenyl)-6-methyl-2-oxo-3,4-dihydro-1H-pyrimidine-5-carboxylate is given. What is its corresponding molecular formula?
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C20H19FN2O4
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