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-[(2S)-1-(dimethylamino)-1-oxo-3-(4-phenylphenyl)propan-2-yl]-4-(4-methylpiperazin-1-yl)quinazoline-7-carboxamide .
user
C31H34N6O2
assistant