You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 2,4-diamino-6-[(2S,5S)-2-[5-(4-methoxyphenyl)-4-oxo-3-phenylquinazolin-2-yl]-5-methylpyrrolidin-1-yl]pyrimidine-5-carbonitrile ?
user
C31H28N8O2
assistant