You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 5-methyl-1-[1-oxo-1-[4-(trifluoromethoxy)anilino]propan-2-yl]piperidine-3-carboxylic acid by IUPAC nomenclature, provide its molecular formula.
user
C17H21F3N2O4
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