You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule ethyl (2E)-2-[(3-chloro-4-ethoxyphenyl)methylidene]-5-(3-ethoxy-4-methoxyphenyl)-7-methyl-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate .
user
C28H29ClN2O6S
assistant