You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[[3-(6,7-dihydro-4H-thieno[3,2-c]pyridin-5-ylsulfonyl)benzoyl]amino]acetic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C16H16N2O5S2
assistant