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 (6Z)-5-imino-6-[(3-iodo-5-methoxy-4-phenylmethoxyphenyl)methylidene]-2-propyl-[1,3,4]thiadiazolo[3,2-a]pyrimidin-7-one using the IUPAC nomenclature.
user
C23H21IN4O3S
assistant