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 2-[[5-(2-ethoxyanilino)-1,3,4-thiadiazol-2-yl]sulfanyl]-N-(2-methoxy-4-nitrophenyl)acetamide .
user
C19H19N5O5S2
assistant