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 (E)-4-[[2-[4-[(9H-fluoren-9-ylmethoxycarbonylamino)methyl]triazol-1-yl]acetyl]amino]but-2-enoic acid .
user
C24H23N5O5
assistant