You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule (3aR,6aR)-3-[(2-chlorophenyl)methyl]-5,5-dioxo-3a,4,6,6a-tetrahydrothieno[3,4-d][1,3]thiazol-2-imine into molecular formula.
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C12H13ClN2O2S2
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