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 2-[(3S)-6-fluoro-3-[3-(4-iodophenyl)propanoylamino]-1,2,3,4-tetrahydrocarbazol-9-yl]acetic acid .
user
C23H22FIN2O3
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