You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[3-[4-[2-(trifluoromethyl)phenyl]piperidine-1-carbonyl]-4,5,6,7-tetrahydro-1,2-benzoxazol-5-yl]ethanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H23F3N2O3
assistant