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 [4-(5-bromopyrimidin-2-yl)piperazin-1-yl]-(3-methoxy-4-propan-2-yloxyphenyl)methanone .
user
C19H23BrN4O3
assistant