You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-[1-(5-chloro-3-fluoropyridin-2-yl)piperidin-4-yl]-6-methoxypyrimidin-4-amine by IUPAC nomenclature, provide its molecular formula.
user
C15H17ClFN5O
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