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 (11aR)-2-chloro-10-(3-methoxyphenyl)-5-[(4-methoxyphenyl)methyl]-11a-(trifluoromethyl)-11H-pyrido[1,2-c]quinazoline-6,8-dione .
user
C28H22ClF3N2O4
assistant