You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (2S,4S)-N-(2,3,4,5,6,6a-hexahydro-1H-pentalen-3a-yl)-4-chloro-1-methylpyrrolidine-2-carboxamide;(2S,4R)-N-tert-butyl-4-chloro-1-methylpyrrolidine-2-carboxamide;(2S,4S)-4-chloro-N-[(2R)-3,3-dimethylbutan-2-yl]-1-methylpyrrolidine-2-carboxamide;(2S,4S)-4-chloro-N-(3,3-dimethylbutan-2-yl)-1-methylpyrrolidine-2-carboxamide;(2S,4S)-4-chloro-1-methyl-N-(2-methylbutan-2-yl)pyrrolidine-2-carboxamide;(2S,4S)-4-chloro-1-methyl-N-(1-methylcyclohexyl)pyrrolidine-2-carboxamide;(2S,4S)-4-chloro-1-methyl-N-(1-methylcyclopentyl)pyrrolidine-2-carboxamide by IUPAC nomenclature, provide its molecular formula.
user
C84H153Cl7N14O7
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