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 1-adamantyl-[(8R)-8-[2-(pyridin-2-ylmethoxy)ethyl]-5-oxa-2-azaspiro[3.4]octan-2-yl]methanone into molecular formula.
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C25H34N2O3
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