You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2Z)-3-(5-bromopentyl)-2-[(E)-3-[3-(5-bromopentyl)-1,1-dimethylbenzo[e]indol-3-ium-2-yl]prop-2-enylidene]-1,1-dimethylbenzo[e]indole;bromide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C41H47Br3N2
assistant