You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 1-[2-[3-(2-fluorophenyl)-2-oxoimidazolidin-1-yl]acetyl]piperidine-4-carboxamide by IUPAC nomenclature, provide its molecular formula.
user
C17H21FN4O3
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