You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[4-[(4-chloro-5-ethyl-1H-imidazole-2-carbonyl)amino]-3-(2-fluoroethoxy)piperidin-1-yl]-1,3-thiazole-5-carboxylic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H21ClFN5O4S
assistant