You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named N-[(Z)-(3-methylthiophen-2-yl)methylideneamino]-2-(5-oxo-1,4-dihydropyrazol-3-yl)acetamide by IUPAC nomenclature, provide its molecular formula.
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C11H12N4O2S
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