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 [4-[(2E,4Z)-5-[4-(diethylamino)phenyl]-1,5-bis(4-methoxyphenyl)penta-2,4-dienylidene]cyclohexa-2,5-dien-1-ylidene]-diethylazanium .
user
C39H45N2O2+
assistant