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system
Name the molecular formula for the molecule established as (2R)-4-(3,4-dichlorophenyl)-2,3-dimethyl-2-[1-(2-methyl-2-sulfinatohydrazinyl)-2-oxopropyl]-1-pyrrolidin-1-yloxycarbonylpiperazine using the IUPAC nomenclature.
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C21H30Cl2N5O5S-
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