You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule [4-[(2-fluorophenyl)sulfonyl-methylamino]phenyl] (E)-3-(6-chloroimidazo[2,1-b][1,3]thiazol-5-yl)prop-2-enoate ?
user
C21H15ClFN3O4S2
assistant