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-[2-[2-(1-benzofuran-7-yl)-2,5-dihydropyrrol-1-yl]-2-oxoethyl]-1-[5-(trifluoromethyl)pyridin-2-yl]piperazin-2-one .
user
C24H21F3N4O3
assistant