You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named methyl 2-[(E)-(1-butyl-6-hydroxy-2,4-dioxo-3-prop-2-enylpyrimidin-5-yl)methylideneamino]-4-methylthiophene-3-carboxylate by IUPAC nomenclature, provide its molecular formula.
user
C19H23N3O5S
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