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 N-[3-acetyl-2-[3-bromo-5-methoxy-4-[(2-methylphenyl)methoxy]phenyl]-2H-1,3,4-thiadiazol-5-yl]acetamide .
user
C21H22BrN3O4S
assistant