You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl 4-[(E)-(4,6-dioxo-1-prop-2-enyl-2-sulfanylidene-1,3-diazinan-5-ylidene)methyl]benzoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H14N2O4S
assistant