You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(4E)-1-(2,5-difluorophenyl)-4-[hydroxy-(4-pentoxyphenyl)methylidene]-5-(3-methylphenyl)pyrrolidine-2,3-dione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C29H27F2NO4
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