You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(1R,2S,3S,4R,7S,12S)-4-[tert-butyl(dimethyl)silyl]oxy-11-(4-methoxy-3-propan-2-yloxyphenyl)-8,10-dioxatetracyclo[7.4.0.02,7.03,12]tridecan-7-ol is the IUPAC name of a molecule. Please give its molecular formula.
user
C27H42O6Si
assistant