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)-3-(5-bromo-2-methoxyphenyl)-1-[4-(4-methoxyphenyl)-1,4-diazepan-1-yl]prop-2-en-1-one using the IUPAC nomenclature.
user
C22H25BrN2O3
assistant