You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [2-ethoxy-4-[(Z)-[[2-oxo-2-[(5-phenyl-1,3,4-thiadiazol-2-yl)amino]acetyl]hydrazinylidene]methyl]phenyl] 2,4-dichlorobenzoate into its molecular formula.
user
C26H19Cl2N5O5S
assistant