You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(2R,3S,4R,5R,6S)-2-[(2R,3S,4S,5R)-5-acetyloxy-2-[(1R)-1-acetyloxyethyl]-4-phenylmethoxyoxolan-3-yl]oxy-6-methyl-5-phenylmethoxy-4-prop-2-enoxyoxan-3-yl] acetate is the IUPAC name of a molecule. Please give its molecular formula.
user
C35H44O12
assistant