You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named (3aS,6aR)-5-tert-butyl-3a-methyl-2,3,4,6a-tetrahydro-1H-pyrrolo[3,4-c]pyrrol-6-one is given. What is its corresponding molecular formula?
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C11H20N2O
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