You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S,3S,4S)-4-[(2S,3R,4R,6R,8S,9S,11S)-11-[tert-butyl(dimethyl)silyl]oxy-2-[(E,2S,3S,4S)-3-[tert-butyl(dimethyl)silyl]oxy-4,6-dimethyloct-6-en-2-yl]-4-methoxy-3,9-dimethyl-1,7-dioxaspiro[5.5]undecan-8-yl]-1-[(4-methoxyphenyl)methoxy]-2-methylpentan-3-ol is the IUPAC name of a molecule. Please give its molecular formula.
user
C48H88O8Si2
assistant