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 5-[(5-oxo-7,8-dihydro-6H-thieno[3,2-b]azepin-4-yl)methyl]furan-3-carboxylic acid .
user
C14H13NO4S
assistant