You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[4-(2,5-dioxoimidazolidin-4-yl)cyclohexyl]-4-methoxy-2,3,6-trimethylbenzenesulfonamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H27N3O5S
assistant