You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[4-(5-chloropyrimidin-2-yl)oxycyclohexyl]-2-[3-(4-ethoxyphenyl)-2-oxoimidazolidin-1-yl]acetamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H28ClN5O4
assistant