You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named ethyl 4-(furan-2-yl)-6-[[2-(furan-2-yl)quinazolin-4-yl]sulfanylmethyl]-2-oxo-3,4-dihydro-1H-pyrimidine-5-carboxylate by IUPAC nomenclature, provide its molecular formula.
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C24H20N4O5S
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