You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[(2,6-dichlorophenyl)methylsulfonyl]-N-[1-(5,6,7,8-tetrahydronaphthalen-2-yl)propyl]piperidine-4-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H32Cl2N2O3S
assistant