You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-(6,7-dihydro-5H-cyclopenta[f][1]benzofuran-3-yl)-N-(3-methylpiperidin-4-yl)acetamide;hydrochloride The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H25ClN2O2
assistant