You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 2-(4-methylanilino)-N'-[2-(1-methyl-2,4-dioxo-1,3-diazaspiro[4.5]decan-3-yl)acetyl]acetohydrazide is given. What is its corresponding molecular formula?
user
C20H27N5O4
assistant