You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance N-(furan-2-ylmethyl)-N-(1-methylpiperidin-4-yl)-1-thiophen-2-ylsulfonylpiperidine-4-carboxamide .
user
C21H29N3O4S2
assistant