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 (3aR,6aR)-2-methyl-5-[(3-methylphenyl)methylsulfonyl]-3,4,6,6a-tetrahydro-1H-pyrrolo[3,4-c]pyrrole-3a-carboxylic acid is given. What is its corresponding molecular formula?
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C16H22N2O4S
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