You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2,2,2-trifluoro-N-[(2S,3S,4S,6S)-6-hydroxy-2-methyl-3-phenylmethoxyoxan-4-yl]acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C15H18F3NO4
assistant