You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-amino-1-[(2S,3S,4R,5S)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrazole-3,4-dicarbonitrile The above is the IUPAC name of a molecule. Write its molecular formula.
user
C10H11N5O4
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