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 4-[[3-[4-(4-fluorophenyl)piperazin-1-yl]azetidin-1-yl]methyl]-1-methylpyrimidin-2-one is given. What is its corresponding molecular formula?
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C19H24FN5O
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