You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as (2S)-1-[(2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-(1H-imidazol-5-yl)propanoyl]pyrrolidine-2-carboxylic acid using the IUPAC nomenclature.
user
C26H26N4O5
assistant