You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1-[(4-chlorophenyl)-(2-ethyl-6-oxo-[1,3]thiazolo[3,2-b][1,2,4]triazol-5-yl)methyl]piperidine-4-carboxamide into its molecular formula.
user
C19H22ClN5O2S
assistant