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 2-[1-(5-chloropyrimidin-2-yl)-3-methylpiperidin-4-yl]-4-[(3-fluoro-2H-tetrazol-1-yl)-phenoxymethyl]-1,3-thiazole .
user
C21H22ClFN8OS
assistant