You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2,2,2-trichloroethyl N-[4-[3-oxo-3-[(4S)-2-oxo-4-propan-2-yl-1,3-oxazolidin-3-yl]propyl]-1,3-thiazol-2-yl]carbamate is the IUPAC name of a molecule. Please give its molecular formula.
user
C15H18Cl3N3O5S
assistant