You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 1-(5-amino-3,4-dihydro-2H-quinolin-1-yl)-2-(4-methylphenyl)sulfanylpropan-1-one;hydrochloride into molecular formula.
user
C19H23ClN2OS
assistant