You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S,4S,5R)-2-[(3R,4R,6S)-4,5-dihydroxy-2-(hydroxymethyl)-6-phenylsulfanyloxan-3-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol The above is the IUPAC name of a molecule. Write its molecular formula.
user
C18H26O10S
assistant