You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3S)-3-[3-[[4-[(cyclohexylamino)methyl]phenoxy]methyl]-6-oxo-4H-thieno[3,4-c]pyrrol-5-yl]azepane-2,7-dione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H31N3O4S
assistant