You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [[(2R,4S,5S)-5-(6-ethynyl-2-oxo-1H-pyrimidin-5-yl)-4-fluoro-3-hydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl] phosphono hydrogen phosphate into its molecular formula.
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C11H14FN2O13P3
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