You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(4S,5S)-4-hydroxy-3-(hydroxymethyl)-5-[[4-oxo-2-[4-[(2S,4S,5S)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyphenyl]-2,3-dihydrochromen-7-yl]oxy]oxolan-3-yl] acetate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C28H32O14
assistant