You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 4-amino-7-[(2R,3R,4S,5S)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-6-ethoxypyrrolo[2,3-d]pyrimidine-5-carbonitrile into molecular formula.
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C14H17N5O5
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