You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(cyclobutylmethyl)-4-(2,4-dioxoimidazolidin-1-yl)-N-[[(2R)-oxolan-2-yl]methyl]benzamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H25N3O4
assistant