You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[1-[(3-fluoro-4-methoxyphenyl)methyl]piperidin-4-yl]-3-[4-(trifluoromethyl)phenyl]butanamide into its molecular formula.
user
C24H28F4N2O2
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