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system
Provide the molecular formula for the IUPAC named substance (2S,3R)-3-[3-[5-[[4-[4-fluoro-3-(trifluoromethyl)phenyl]thiophen-2-yl]methylidene]-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]propanoylamino]-2-hydroxybutanoic acid .
user
C22H18F4N2O5S3
assistant