You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[1-(2-fluoro-6-methoxyphenyl)pyrrolidin-3-yl]-3-[[2-(trifluoromethyl)phenyl]methyl]-5H-imidazo[4,5-c]pyridine-2,4-dione is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H22F4N4O3
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