You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named (5E)-3-butan-2-yl-5-[[3-(3-methyl-4-prop-2-enoxyphenyl)-1-phenylpyrazol-4-yl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one by IUPAC nomenclature, provide its molecular formula.
user
C27H27N3O2S2
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