You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 1-[ethyl-[2-oxo-2-[2-(trifluoromethyl)anilino]ethyl]carbamoyl]cyclopropane-1-carboxylic acid by IUPAC nomenclature, provide its molecular formula.
user
C16H17F3N2O4
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