You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[3-(3,4-dihydro-1H-isoquinolin-2-yl)propyl]-5-fluoro-2-methoxybenzenesulfonamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H23FN2O3S
assistant