You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3S)-N-[2-[4-(dimethylsulfamoyl)phenoxy]ethyl]-1-thiophen-2-ylsulfonylpiperidine-3-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H27N3O6S3
assistant