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 6-[[6-(3-fluorophenyl)pyridin-3-yl]methyl]-2-propyl-3,5,7,8-tetrahydropyrido[4,3-d]pyrimidin-4-one is given. What is its corresponding molecular formula?
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C22H23FN4O
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