You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (3S)-3-butyl-5-cyclohexyl-3-ethyl-1,1-dioxo-4,5,5a,6,7,8,9,9a-octahydro-2H-benzo[b]thiepin-4-ol into its molecular formula.
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C22H40O3S
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