You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[[3,5-bis[(2-bromobenzimidazol-1-yl)methyl]-2,4,6-trimethoxyphenyl]methyl]-2-bromobenzimidazole The above is the IUPAC name of a molecule. Write its molecular formula.
user
C33H27Br3N6O3
assistant