You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[4-[2-(2-chlorophenyl)-5-(trifluoromethyl)pyrazol-3-yl]phenyl]-[2-(2-methylpropyl)pyrrolidin-1-yl]methanone is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H25ClF3N3O
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