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 methyl 3-(3-bromophenyl)-6-(4-hydroxy-3-methoxyphenyl)-4-methyl-2-sulfanylidene-1,6-dihydropyrimidine-5-carboxylate is given. What is its corresponding molecular formula?
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C20H19BrN2O4S
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