You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule N-[5-(4-methoxyphenyl)-1,3,4-thiadiazol-2-yl]-2-methyl-3-[methyl(methylsulfonyl)amino]benzamide ?
user
C19H20N4O4S2
assistant