You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by 3-[3-[[1-(2,2-dimethylpropanoyl)piperidin-4-yl]methyl]pyrazin-2-yl]-1-oxa-3-azaspiro[4.5]decan-2-one ?
user
C23H34N4O3
assistant