You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-[(1R)-cyclopent-2-en-1-yl]-1-[(3R)-3-(2-methylimidazol-1-yl)piperidin-1-yl]ethanone by IUPAC nomenclature, provide its molecular formula.
user
C16H23N3O
assistant