You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1-(3,3a,4,5,6,6a-hexahydro-1H-furo[3,4-c]pyrrol-4-yl)ethanone;1-(3,3a,4,5,6,6a-hexahydro-1H-thieno[3,4-c]pyrrol-4-yl)ethanone;1-(1,2,3,3a,4,5,6,6a-octahydrocyclopenta[c]pyrrol-3-yl)ethanone;1-(1,2,3,3a,4,5,6,6a-octahydropyrrolo[2,3-c]pyrrol-4-yl)ethanone;methane;1-(5-methyl-2,3,3a,4,6,6a-hexahydrofuro[2,3-c]pyrrol-4-yl)ethanone;1-(5-methyl-2,3,3a,4,6,6a-hexahydrofuro[2,3-c]pyrrol-6-yl)ethanone;1-(2-methyl-3,3a,4,6,7,7a-hexahydro-1H-pyrano[3,4-c]pyrrol-1-yl)ethanone;1-(6-methyl-3,4,4a,5,7,7a-hexahydro-2H-pyrano[2,3-c]pyrrol-5-yl)ethanone;1-(5-methyl-2,3,3a,4,6,6a-hexahydro-1H-pyrrolo[2,3-c]pyrrol-6-yl)ethanone;1-(5-methyl-2,3,3a,4,6,6a-hexahydro-1H-pyrrolo[3,4-c]pyrrol-4-yl)ethanone;1-(5-methyl-1,3,3a,4,6,6a-hexahydrothieno[3,4-c]pyrrol-4-yl)ethanone;1-(5-methyl-2,3,3a,4,6,6a-hexahydrothieno[2,3-c]pyrrol-4-yl)ethanone;1-(2-methyl-3,3a,4,6,7,7a-hexahydro-1H-thiopyrano[3,4-c]pyrrol-1-yl)ethanone;1-(6-methyl-3,4,4a,5,7,7a-hexahydro-2H-thiopyrano[2,3-c]pyrrol-5-yl)ethanone;1-(2-methyl-1,3,3a,4,5,6,7,7a-octahydroisoindol-1-yl)ethanone;1-(6-methyl-1,2,3,4,4a,5,7,7a-octahydropyrrolo[3,4-b]pyridin-5-yl)ethanone;1-(2-methyl-1,3,3a,4,5,6,7,7a-octahydropyrrolo[3,4-c]pyridin-1-yl)ethanone;1-(3-methyl-3,6-diazabicyclo[3.1.0]hexan-2-yl)ethanone;1-(3-methyl-6-oxa-3-azabicyclo[3.1.0]hexan-2-yl)ethanone;1-(3-methyl-6-thia-3-azabicyclo[3.1.0]hexan-2-yl)ethanone into its molecular formula.
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C199H384N26O26S6
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