You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 2-(4-butylsulfonylphenyl)-2-(4-cyanophenoxy)-N-(5,6-dimethoxy-1,3-benzothiazol-2-yl)acetamide .
user
C28H27N3O6S2
assistant