You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1-[(2R,3R,4R,5R)-3-fluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-[(E)-2-(125I)iodanylethenyl]pyrimidine-2,4-dione into its molecular formula.
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C11H12FIN2O5
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