You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named (3aS,6aR)-5-[(2,5-difluorophenyl)methyl]-2,3,3a,4,6,6a-hexahydro-1H-pyrrolo[3,4-c]pyrrole by IUPAC nomenclature, provide its molecular formula.
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C13H16F2N2
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