You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-ethoxy-1-[(3R)-3-[5-[(4-fluorophenyl)methyl]-1,3-oxazol-2-yl]piperidin-1-yl]ethanone into molecular formula.
user
C19H23FN2O3
assistant