You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[4-(8-methoxy-4-methylquinolin-2-yl)piperazin-1-yl]-4-(2-methoxyphenyl)butane-1,4-dione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H29N3O4
assistant