You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(1S)-1-(3-fluorophenyl)-2-[(5-methyl-[1,2,4]triazolo[4,3-a]quinolin-1-yl)sulfanyl]ethanol The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H16FN3OS
assistant