You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [6-(3-methoxy-2-pyrrolidin-1-ylpyridin-4-yl)sulfanyl-3-(2-oxa-8-azaspiro[4.5]decan-8-yl)pyrazin-2-yl]methanol into molecular formula.
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C23H31N5O3S
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