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 1-[5-chloro-3-[[(3S)-4-(cyclopentanecarbonyl)-3-methylpiperazin-1-yl]methyl]-2-methylphenyl]-3-(oxolan-2-yl)propan-2-one .
user
C26H37ClN2O3
assistant