You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-methoxy-2-methyl-2-(7-oxo-8-phenyl-4,5-dihydrothieno[2,3-a]quinolizin-10-yl)pyrrolidine-1-carboxylic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C24H24N2O4S
assistant