You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl (2Z)-5-[4-(dimethylamino)phenyl]-2-[(3-iodo-4,5-dimethoxyphenyl)methylidene]-7-methyl-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H28IN3O5S
assistant