You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(10S)-10-(3,4-dimethoxyphenyl)-7,7-dimethyl-5,6,8,10-tetrahydro-[1,3]benzodioxolo[5,6-b]quinolin-9-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C24H25NO5
assistant