You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (7E,7aS)-3-[(E)-5-tert-butylsulfonylpent-3-en-2-yl]-3a-methyl-7-[(2Z)-2-(2-methylidenecyclohexylidene)ethylidene]-4,5,6,7a-tetrahydro-1H-indene by IUPAC nomenclature, provide its molecular formula.
user
C28H42O2S
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