You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule [(2S,3S,4S,5R,6R)-2-[[(2R,3R,4S,5S,6S)-4-acetyloxy-6-hydroxy-3,5-bis(phenylmethoxy)oxan-2-yl]methoxy]-4,5-bis(phenylmethoxy)-6-(phenylmethoxymethyl)oxan-3-yl] benzoate .
user
C56H58O13
assistant