You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[[2-bromo-4-[(E)-(4,6-dioxo-1-prop-2-enyl-2-sulfanylidene-1,3-diazinan-5-ylidene)methyl]-6-ethoxyphenoxy]methyl]benzonitrile is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H20BrN3O4S
assistant