You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule [3-[(2S)-4,4-difluoro-2-(methoxymethyl)pyrrolidin-1-yl]azetidin-1-yl]-thiophen-2-ylmethanone into molecular formula.
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C14H18F2N2O2S
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