You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[(2R,4R,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-2-methylfuro[3,2-c]pyridine-4-thione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C13H15NO4S
assistant