You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl (2E,5R)-5-(4-ethoxyphenyl)-2-[[1-(4-methoxyphenyl)-2,5-dimethylpyrrol-3-yl]methylidene]-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
C32H33N3O5S
assistant