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 (9S,12S)-3-(1,6-dimethyl-2-oxopyridine-3-carbonyl)-9,12-dimethyl-14-oxa-3,8,11-triazaspiro[5.12]octadecane-7,10-dione ?
user
C24H36N4O5
assistant