You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named ethyl 1-(pyridin-4-ylmethyl)piperidine-4-carboxylate;1-(pyridin-4-ylmethyl)piperidine-4-carboxylic acid by IUPAC nomenclature, provide its molecular formula.
user
C26H36N4O4
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