You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
propyl (4R)-4-(3-methoxy-4-propoxyphenyl)-2-methyl-5-oxo-4a,6,7,8-tetrahydro-4H-quinoline-3-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C24H31NO5
assistant