You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[2-[4-[[2-[[3-[(4-carboxyphenyl)-ethylsulfamoyl]benzoyl]amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carbonyl]amino]phenyl]ethyl]benzoic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C40H37N3O8S2
assistant