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 2,4-dichloro-N-[[3-iodo-5-methoxy-4-[(4-nitrophenyl)methoxy]phenyl]methyl]aniline using the IUPAC nomenclature.
user
C21H17Cl2IN2O4
assistant