You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name 8-tert-butyl-3-[[(4S)-4-ethyl-6,7-dihydro-4H-thieno[3,2-c]pyridin-5-yl]methyl]-1,3-diazaspiro[4.5]decane-2,4-dione into its molecular formula.
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C22H33N3O2S
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