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 2-[(4-hydroxy-3-iodo-5-methoxyphenyl)methylidene]-7-methyl-3-oxo-5-(2-propan-2-yloxyphenyl)-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate .
user
C27H27IN2O6S
assistant