You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named (1R,2S,3R,4S)-3-(pyridin-4-ylmethylcarbamoyl)bicyclo[2.2.2]oct-5-ene-2-carboxylic acid is given. What is its corresponding molecular formula?
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C16H18N2O3
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