You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(5E)-1-(2,5-dimethoxyphenyl)-5-(thiophen-3-ylmethylidene)-1,3-diazinane-2,4,6-trione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H14N2O5S
assistant