You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule N-[5-[2-(4-bromoanilino)-2-oxoethyl]sulfanyl-1,3,4-thiadiazol-2-yl]-2-ethoxybenzamide .
user
C19H17BrN4O3S2
assistant