You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-[(1-ethylpyrrolidin-2-yl)methyl]-2-(4-oxo-5,6,7,8-tetrahydro-3H-phthalazin-1-yl)acetamide;hydrochloride into molecular formula.
user