You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(2S,3R,4R,5S,6S)-2-[(2R,3R,4R,5S,6S)-2-hydroxy-6-methyl-4,5-bis(phenylmethoxy)oxan-3-yl]oxy-6-methyl-4,5-bis(phenylmethoxy)-2-prop-2-enyloxan-3-yl] acetate is the IUPAC name of a molecule. Please give its molecular formula.
user
C45H52O10
assistant