You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 2-[(2R)-2-(5-methylfuran-2-yl)azepan-1-yl]-1-[(3R)-3-(trifluoromethyl)piperidin-1-yl]ethanone is given. What is its corresponding molecular formula?
user
C19H27F3N2O2
assistant