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-[5-(4-chlorophenyl)-3-(furan-2-yl)-3,4-dihydropyrazol-2-yl]-2-oxoethyl] 4-cyanobenzoate ?
user
C23H16ClN3O4
assistant