You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[(R)-azepan-1-yl-(1-benzyltetrazol-5-yl)methyl]-6,8-dimethyl-1H-quinolin-2-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H30N6O
assistant