You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[3,5-bis(trifluoromethyl)phenyl]-4-(4-chlorophenyl)-3-methyl-1,3-thiazol-3-ium-2-amine;bromide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C18H12BrClF6N2S
assistant