You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[[2-bromo-5-ethoxy-4-[(4-fluorophenyl)methoxy]phenyl]methylamino]-2,6-dichlorophenol The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H19BrCl2FNO3
assistant