You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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3-[(3R)-3-[(5-fluoro-1,3-benzoxazol-2-yl)amino]piperidin-1-yl]-1-methylpyrazin-2-one is the IUPAC name of a molecule. Please give its molecular formula.
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C17H18FN5O2
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