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 1-[7-(8-ethyl-7-fluoro-3-hydroxynaphthalen-1-yl)-8-fluoro-2-methoxypyrido[4,3-d]pyrimidin-4-yl]-6-methylpiperidin-3-ol is given. What is its corresponding molecular formula?
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C26H26F2N4O3
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