You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 1-(2-bromophenyl)-3-(1-oxo-[1,3]thiazolo[3,2-a]benzimidazol-2-yl)thiourea ?
user
C16H11BrN4OS2
assistant