You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 1-(bromomethyl)-3-nitrobenzene;ethyl 4-[(3-nitrophenyl)methyl]piperazine-1-carboxylate;ethyl piperazine-1-carboxylate .
user
C28H39BrN6O8
assistant