You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (4S)-4-[3-(9H-fluoren-9-ylmethoxycarbonylamino)propanoylamino]-5,5,5-trifluoropentanoic acid into its molecular formula.
user
C23H23F3N2O5
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