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 2-ethyl-5-[(4-thiophen-2-yl-6,7-dihydro-4H-thieno[3,2-c]pyridin-5-yl)methyl]-1,3,4-oxadiazole .
user
C16H17N3OS2
assistant