You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 2-(1H-benzimidazol-2-ylsulfanyl)-N-benzyl-N-[1-(4-bromophenyl)-2,5-dioxopyrrolidin-3-yl]acetamide ?
user
C26H21BrN4O3S
assistant