You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl (2E,5S)-5-(3-methoxyphenyl)-7-methyl-3-oxo-2-[(5-pyrimidin-2-ylsulfanylfuran-2-yl)methylidene]-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H22N4O5S2
assistant