You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(2S,3R,4R,5S,6S)-3,5-dihydroxy-2-methoxy-6-methyloxan-4-yl]oxy-(4-nitrophenoxy)methanethione is the IUPAC name of a molecule. Please give its molecular formula.
user
C14H17NO8S
assistant