You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance N-(4-bromo-2-fluorophenyl)-2-(4-methoxyphenyl)imidazo[2,1-b][1,3]benzothiazole-6-carboxamide .
user
C23H15BrFN3O2S
assistant