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system
Name the molecular formula for the molecule established as 1-[2-(3-chloro-4-methylsulfonylthiophene-2-carbonyl)-2,8-diazaspiro[4.5]decan-8-yl]-2-(2,3-dihydro-1H-inden-2-yl)ethanone using the IUPAC nomenclature.
user
C25H29ClN2O4S2
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