You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[4-[2-[3-(4-methylpiperazin-1-yl)propylamino]-5,6-dihydrobenzo[h]quinazolin-6-yl]phenyl]-2-phenylacetamide;N-[4-[2-[3-(4-methylpiperazin-1-yl)propylamino]-5,6-dihydrobenzo[h]quinazolin-6-yl]phenyl]-4-phenylbutanamide into its molecular formula.
user
C70H80N12O2
assistant