You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[3-fluoro-4-[(1-methylpyrrolidin-3-yl)methoxy]phenyl]-5-(3-oxobutyl)-1,3-oxazolidin-2-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H25FN2O4
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