You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S)-2-amino-3-fluoropropanoic acid;2-oxo-7-piperazin-1-yl-1H-quinoline-3-carboxylic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H21FN4O5
assistant