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Under IUPAC nomenclature, a molecule named (1R,9R)-N-(2-methoxyphenyl)-6-oxo-3-pyrimidin-5-yl-7,11-diazatricyclo[7.3.1.02,7]trideca-2,4-diene-11-carboxamide is given. What is its corresponding molecular formula?
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C23H23N5O3
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