You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 1-[4-[(5-chloro-2-phenyl-1H-indol-7-yl)amino]piperidin-1-yl]-2-(dimethylamino)ethanone .
user
C23H27ClN4O
assistant