You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by 2-[3-acetyl-4-(difluoromethyl)-5,6-dihydro-4H-cyclopenta[c]pyrazol-1-yl]-1-[4-(2,3-dimethylphenyl)piperazin-1-yl]ethanone ?
user
C23H28F2N4O2
assistant