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-methyl-5-[2-[4-[2-(4-methyl-1-oxo-3H-2-benzofuran-5-yl)propyl]piperazin-1-yl]ethyl]-3H-2-benzofuran-1-one .
user
C27H32N2O4
assistant