You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-O-(2-ethylsulfanylethyl) 6-O-methyl (4S,6R,7R)-4-(4-bromophenyl)-2,7-dimethyl-5-oxo-4,6,7,8-tetrahydro-1H-quinoline-3,6-dicarboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H28BrNO5S
assistant