You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule N-[2-(4-carbamoylpiperidin-1-yl)-2-oxoethyl]-3-(3,4-dimethoxyphenyl)-4-oxophthalazine-1-carboxamide .
user
C25H27N5O6
assistant