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 N-[(2R)-butan-2-yl]-2-(3-methylphenyl)-4-[(2-methylphenyl)methyl]-3,5-dioxo-1,2,4-triazine-6-carboxamide into molecular formula.
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C23H26N4O3
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