You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule [2-(hydroxymethyl)pyrrolidin-1-yl]-(2-oxa-3-azabicyclo[2.2.2]oct-5-en-3-yl)methanone into molecular formula.
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C12H18N2O3
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