You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 6-chloro-N-(1-ethylpiperidin-4-yl)-2-[4-[4-(1,3-thiazol-5-ylmethyl)piperazin-1-yl]phenyl]-1H-imidazo[4,5-b]pyridin-7-amine into its molecular formula.
user
C27H33ClN8S
assistant