You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (3aR,6aS)-5-(1,4-dimethylimidazol-2-yl)-2,3,3a,4,6,6a-hexahydro-1H-pyrrolo[3,4-c]pyrrole into its molecular formula.
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C11H18N4
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