You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name propan-2-yl 2-[1-[(3-bromo-4-ethoxybenzoyl)carbamothioyl]-3-oxopiperazin-2-yl]acetate into its molecular formula.
user
C19H24BrN3O5S
assistant