You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 5-[(1E,3E)-4-chlorohexa-1,3,5-trienyl]-3,4-dimethyl-5lambda6-thiabicyclo[2.1.0]pent-1(5)-ene 5-oxide by IUPAC nomenclature, provide its molecular formula.
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C12H15ClOS
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