You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl-[[(2R,3R,4S,5R,6S)-6-[4-chloro-3-[(2,3-difluoro-4-methoxyphenyl)methyl]phenyl]-6-methoxy-3,4,5-tris(phenylmethoxy)oxan-2-yl]methoxy]-dimethylsilane is the IUPAC name of a molecule. Please give its molecular formula.
user
C48H55ClF2O7Si
assistant