You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-[[3-chloro-5-methoxy-4-[2-(2-methoxyphenoxy)ethoxy]phenyl]methylidene]-2-ethyl-5-imino-[1,3,4]thiadiazolo[3,2-a]pyrimidin-7-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C24H23ClN4O5S
assistant