You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[1-[1-[(4R)-4-[(1R,3aS,7aR)-4-[2-[(3S,5R)-3,5-bis[[tert-butyl(dimethyl)silyl]oxy]-2-methylidenecyclohexylidene]ethylidene]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-1-yl]pent-2-enoyl]cyclopropyl]-2,2,3,3,4,4,5,5,5-nonafluoropentyl] acetate is the IUPAC name of a molecule. Please give its molecular formula.
user
C46H69F9O5Si2
assistant