You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (3S)-N-benzyl-3-[(4R)-4-benzyl-3-methyl-5-oxo-1-phenylpyrazol-4-yl]-4,4,4-trifluorobutanamide .
user
C28H26F3N3O2
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