You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-amino-1-[(2R)-4-hydroxy-5-(hydroxymethyl)-5-methyloxolan-2-yl]-1,3,5-triazin-2-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C9H14N4O4
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