You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name (5E)-5-[(4-chlorophenyl)methylidene]-2-(4-propan-2-yloxyphenyl)-[1,3]thiazolo[3,2-b][1,2,4]triazol-6-one ?
user
C20H16ClN3O2S
assistant