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 6-chloro-3-[2-[4-(2,3-dihydro-1-benzofuran-7-yl)-3,6-dihydro-2H-pyridin-1-yl]ethyl]-1H-indole .
user
C23H23ClN2O
assistant