You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 5-[1-[[tert-butyl(dimethyl)silyl]oxymethyl]-2-(oxan-2-yloxy)-2,3,3a,6,7,7a-hexahydro-1H-inden-5-yl]pent-4-enoic acid by IUPAC nomenclature, provide its molecular formula.
user
C26H44O5Si
assistant