You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[(2,4-difluorophenyl)methyl]-4-(3-oxo-1,2-oxazol-5-yl)piperidine-1-carboxylic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H16F2N2O4
assistant