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system
Name the molecular formula for the molecule established as (2S)-N-[(2R)-butan-2-yl]-2-[[2-(3-chloro-2-methyl-N-methylsulfonylanilino)acetyl]-[(4-methoxyphenyl)methyl]amino]propanamide using the IUPAC nomenclature.
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C25H34ClN3O5S
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