You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 4-fluoro-N-[4-[2-[2-[4-(4-fluorophenyl)piperazin-1-yl]-2-oxoethyl]tetrazol-5-yl]phenyl]benzamide .
user
C26H23F2N7O2
assistant