You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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(2S)-5-(1,3-benzodioxole-5-carbonyl)-N,1-dimethyl-2,3,3a,4,6,6a-hexahydropyrrolo[2,3-c]pyrrole-2-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
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C17H21N3O4
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