You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-benzyl-1-[5-oxo-1-[3-(trifluoromethyl)phenyl]pyrrolidine-3-carbonyl]piperidine-4-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H26F3N3O3
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