You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(2S)-1-amino-1-oxopropan-2-yl] 1-methylsulfonyl-3,4-dihydro-2H-quinoline-6-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C14H18N2O5S
assistant