You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 2-(1-cyclopropyl-5,6,8-trifluoro-4-oxo-7-thiomorpholin-4-ylquinolin-3-yl)acetic acid .
user
C18H17F3N2O3S
assistant