You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 6-bromo-2-chloroquinoline;6-bromo-2-piperazin-1-ylquinoline;6-bromo-1H-quinolin-2-one;(2S)-2-[[4-(6-bromoquinolin-2-yl)piperazin-1-yl]methyl]-8-methyl-2,3-dihydro-[1,4]dioxino[2,3-f]quinoline .
user
C57H50Br4ClN9O3
assistant