You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3aR,4S,9bS)-4-(2-chloro-5-nitrophenyl)-N-(2,3-dichlorophenyl)-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinoline-8-sulfonamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H18Cl3N3O4S
assistant