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system
Name the molecular formula for the molecule established as (5S)-5-[N-[2-(2,4-dioxo-1,3-thiazolidin-3-yl)ethyl]anilino]-3-ethyl-1,3-thiazolidine-2,4-dione using the IUPAC nomenclature.
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C16H17N3O4S2
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