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 N-[1-[4-[2-[2-(6-azaspiro[3.4]octan-6-yl)pyrimidin-5-yl]ethynyl]phenyl]propan-2-yl]acetamide .
user
C24H28N4O
assistant