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 1-[2-methyl-4-(oxolane-2-carbonyl)-6-(4-pyrazolidin-1-ylphenyl)-2,3-dihydroquinoxalin-1-yl]ethanone .
user
C25H30N4O3
assistant