You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (1R,2R,6R,7R)-4-(2,4-difluorophenyl)-4-azatricyclo[5.2.1.02,6]dec-8-ene-3,5-dione into its molecular formula.
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C15H11F2NO2
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