You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[4-(1,4-dioxa-8-azaspiro[4.5]decan-8-yl)anilino]-N-(2,6-dioxopiperidin-3-yl)-N-formyl-2-methylbenzamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C27H30N4O6
assistant