You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-[[(1S,5S,6R,7R)-3-(oxan-4-yl)-10-oxa-3-azatricyclo[5.2.1.01,5]decan-6-yl]methyl]cycloheptanecarboxamide into molecular formula.
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C22H36N2O3
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