You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2R)-1-(furan-2-carbonyl)-N-[3-(2,2,2-trifluoroethylcarbamoyl)phenyl]pyrrolidine-2-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H18F3N3O4
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