You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 4-[3-(3-chloro-2,4,6-trimethoxyphenyl)-5-methyl-1,2-oxazol-4-yl]benzenesulfonamide into its molecular formula.
user
C19H19ClN2O6S
assistant