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system
Provide the molecular formula for the IUPAC named substance 2-(4,6-dimethyl-1-benzofuran-3-yl)-1-[(3S,4R)-3-hydroxy-4-[(5-methyl-1H-pyrazol-3-yl)methyl]pyrrolidin-1-yl]ethanone .
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C21H25N3O3
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