You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (4-bromophenyl)-[4-[5-[(2R)-butan-2-yl]-8-thia-4,6-diazatricyclo[7.5.0.02,7]tetradeca-1(9),2,4,6-tetraen-3-yl]piperazin-1-yl]methanone into its molecular formula.
user
C26H31BrN4OS
assistant