You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[(2,6-dichlorophenyl)methyl-methylsulfonylamino]-N-[2-(4-piperidin-1-ylsulfonylphenoxy)ethyl]benzamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C28H31Cl2N3O6S2
assistant