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system
Name the molecular formula for the molecule established as 2-(3,4-dichlorophenyl)-2-methyl-4-[(3S)-3-methyl-4-methylsulfonylpiperazin-1-yl]-N-[[3-(trifluoromethoxy)phenyl]methyl]butanamide using the IUPAC nomenclature.
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C25H30Cl2F3N3O4S
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