You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (3aR,7aR)-7a-methyl-1-[(2S)-5-(1-triethylsilyloxycyclopentyl)pentan-2-yl]-2,3,3a,5,6,7-hexahydro-1H-inden-4-one into molecular formula.
user
C26H48O2Si
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