You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as [(E)-1-(4-bromophenyl)-2-[2-[4-[(E)-2-(4-bromophenyl)-2-formyloxyethenyl]-6-[4-[(E)-2-(4-bromophenyl)-2-formyloxyethenyl]pyridin-2-yl]pyridin-2-yl]pyridin-4-yl]ethenyl] formate using the IUPAC nomenclature.
user
C42H26Br3N3O6
assistant