You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl (2E,5S)-2-[[4-[(2-cyanophenyl)methoxy]-3-iodo-5-methoxyphenyl]methylidene]-5-(4-methoxyphenyl)-7-methyl-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C33H28IN3O6S
assistant