You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 3-(4-chlorophenyl)-1-[(4S)-1-quinoxalin-6-yl-1,8-diazaspiro[3.5]nonan-8-yl]propan-1-one ?
user
C24H25ClN4O
assistant