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 2-(4-bromophenoxy)-1-[4-(5-thiophen-2-yl-1,3,4-thiadiazol-2-yl)piperazin-1-yl]propan-1-one .
user
C19H19BrN4O2S2
assistant