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 5-fluoro-N-[(R)-(3-fluoro-4-methoxyphenyl)-(1-methylpyrazol-4-yl)methyl]-2-(oxan-4-ylamino)quinazoline-7-carboxamide is given. What is its corresponding molecular formula?
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C26H26F2N6O3
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