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 1-(2,4-dimethoxyphenyl)-N-[[5-(4-fluorophenyl)-1,3-oxazol-2-yl]methyl]-N-methylmethanamine using the IUPAC nomenclature.
user
C20H21FN2O3
assistant