You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3S)-1-(dimethylsulfamoyl)-N-(4-piperidin-1-ylsulfonylphenyl)piperidine-3-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C19H30N4O5S2
assistant