You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl 3-[1-(4-bromobutyl)-4-methylbenzotriazol-5-yl]-3-[3-[(6-hydroxy-2,2-dioxo-4H-1,2lambda6,3-benzoxathiazin-3-yl)methyl]-4,5-dimethoxyphenyl]propanoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C32H37BrN4O8S
assistant