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