You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[5-[[(2'S)-2'-methylspiro[5H-furo[3,4-b]pyridine-7,4'-pyrrolidine]-1'-yl]methyl]-1,3-thiazol-2-yl]acetamide into its molecular formula.
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C17H20N4O2S
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