You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 2-[(2R,4S)-2-(5-cyclopropyl-1-methylpyrazol-3-yl)oxan-4-yl]-4-(2,4-difluorophenyl)-6,7-dimethylpteridine by IUPAC nomenclature, provide its molecular formula.
user
C26H26F2N6O
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