You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-ethyl-6-[[(1S,2S,4S,5S,6R,10S)-5-hydroxy-2-(hydroxymethyl)-3,9-dioxatricyclo[4.4.0.02,4]dec-7-en-10-yl]oxy]oxane-3,4,5-triol The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H24O9
assistant