You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name [(2S,4S,5S)-5-(4-chloro-7H-pyrrolo[3,2-d]pyrimidin-7-yl)-4-fluorooxolan-2-yl]methyl acetate into its molecular formula.
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C13H13ClFN3O3
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