You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named N-(1-cyanocyclohexyl)-2-[2-(3,4-dihydro-2H-1,5-benzodioxepin-7-yl)pyrrolidin-1-yl]-N-methylacetamide is given. What is its corresponding molecular formula?
user
C23H31N3O3
assistant