You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(7-chloro-1-methyl-2-oxo-5-phenyl-3H-1,4-benzodiazepin-3-yl)azepane-1-carbothioamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H25ClN4OS
assistant