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 5-(2-oxo-1-propylindol-3-ylidene)-2-pyridin-3-yl-[1,3]thiazolo[3,2-b][1,2,4]triazol-6-one .
user
C20H15N5O2S
assistant