You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(4-chloro-2-methoxy-5-methylphenyl)-4-[(2,5-dioxoimidazolidin-1-yl)methyl]benzamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C19H18ClN3O4
assistant