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 N-[5-(5-bromo-2-oxoindol-3-yl)-4-hydroxy-1,3-thiazol-2-yl]-4-methoxybenzenesulfonamide .
user
C18H12BrN3O5S2
assistant