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-(7-chloro-4-cyclopropylsulfonylindazol-1-yl)-N-(5-fluoro-1,3-thiazol-2-yl)-3-(oxan-4-yl)propanamide .
user
C21H22ClFN4O4S2
assistant