You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2,2,2-trifluoroethyl (1Z)-3-fluoro-4-[(3-fluoro-N-piperazin-1-ylsulfinylanilino)methyl]-N-methylidenebenzenecarbohydrazonate by IUPAC nomenclature, provide its molecular formula.
user
C21H22F5N5O2S
assistant