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'-methyl-N-[(4-pyrrolidin-1-yloxan-4-yl)methyl]-4-thiophen-2-ylpiperazine-1-carboximidamide .
user
C20H33N5OS
assistant