You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-hydroxy-4-[4-[2-[(2-thiophen-2-ylacetyl)amino]ethoxy]phenyl]sulfonylpiperidine-4-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H25N3O6S2
assistant