You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule [(2R,3R,4S,5R,6S)-6-[(2R,3S,4R,5R,6S)-5-acetamido-6-methoxy-2-(phenylmethoxymethyl)-4-prop-2-enoxyoxan-3-yl]oxy-3,4,5-tribenzoyloxyoxan-2-yl]methyl benzoate ?
user
C53H53NO15
assistant