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 [(2R,3S,4S,5S,6R)-6-ethenyl-5-hydroxy-4-methoxy-2-[(2R,3R,4S,5R,6S)-6-methoxy-4,5-bis(phenylmethoxy)-2-(phenylmethoxymethyl)oxan-3-yl]oxy-6-[(4-methylphenyl)sulfonyloxymethyl]oxan-3-yl] acetate .
user
C46H54O14S
assistant