You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[2-acetyl-6-[(2S,3S,4R,5S,6S)-6-methyl-3,4,5-tris(phenylmethoxy)oxan-2-yl]-3,5-bis(phenylmethoxy)phenyl] acetate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C51H50O9
assistant