You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule N-[2-(6,7-dihydro-4H-thieno[3,2-c]pyridin-5-yl)-2-oxoethyl]-N'-methyl-4-thiophen-2-ylpiperazine-1-carboximidamide .
user
C19H25N5OS2
assistant