You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name tert-butyl N-[4-(4,4-difluoropiperidin-1-yl)-6-[(5-ethyl-1H-pyrazol-3-yl)sulfanylmethyl]pyridin-2-yl]carbamate into its molecular formula.
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C21H29F2N5O2S
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