You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as ethyl (2E,5R)-2-[(3-bromo-5-chloro-2-hydroxyphenyl)methylidene]-5-(4-ethoxyphenyl)-7-methyl-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate using the IUPAC nomenclature.
user
C25H22BrClN2O5S
assistant