You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (1S,2S,3aR)-7-fluoro-2-(3-methoxyphenyl)-1-(4-methylbenzoyl)spiro[2,3a-dihydro-1H-pyrrolo[1,2-a]quinoline-3,2'-indene]-1',3'-dione into its molecular formula.
user
C35H26FNO4
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