You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(1,4-dimethyl-2-oxo-3,4-dihydroquinolin-6-yl)-1-methylcyclopropane-1-sulfonamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C15H20N2O3S
assistant