You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (1R,2R)-1-(3,6-dihydro-2H-pyridin-1-yl)-1'-(thiophen-2-ylmethyl)spiro[1,2-dihydroindene-3,4'-piperidine]-2-ol into molecular formula.
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C23H28N2OS
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