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 methyl (2R,3S,4S,5S,6R)-7-[tert-butyl(diphenyl)silyl]oxy-2,3-dihydroxy-5-(methoxymethoxy)-4,6-dimethylheptanoate .
user
C28H42O7Si
assistant