You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(2,4-dimethylphenyl)-4-(6-methylimidazo[2,1-b][1,3]thiazol-5-yl)-1,3-thiazol-2-amine;hydrobromide is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H17BrN4S2
assistant