You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-(4-aminopyrrolo[2,3-d]pyrimidin-7-yl)-2-(hydroxymethyl)-4-methoxy-2,5-dimethyloxolan-3-ol The above is the IUPAC name of a molecule. Write its molecular formula.
user
C14H20N4O4
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