You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule furan-2-yl-(3-thiophen-2-yl-5-thiophen-3-yl-3,4-dihydropyrazol-2-yl)methanone into molecular formula.
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C16H12N2O2S2
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