You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[[[2-(2,4-dibromophenoxy)acetyl]amino]carbamothioyl]-2-(2,5-dimethylphenoxy)acetamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C19H19Br2N3O4S
assistant