You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S)-1-[2-(4-ethynyl-2,6-difluoroanilino)-2-oxoacetyl]-N,N-dimethylpyrrolidine-2-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
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C17H17F2N3O3
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