You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-amino-1-[(2R,3R,4R,5R)-4-hydroxy-5-(hydroxymethyl)-3-methyl-3-methylsulfonyloxolan-2-yl]pyrimidin-2-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C11H17N3O6S
assistant