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 (5-fluoro-1-methylindol-2-yl)-[4-[3-[(2-nitrophenyl)methyl]-1,2,4-thiadiazol-5-yl]piperazin-1-yl]methanone .
user
C23H21FN6O3S
assistant