You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (4R,7R)-4-(2,5-dimethoxyphenyl)-2-methyl-5-oxo-7-phenyl-4,6,7,8-tetrahydro-1H-quinoline-3-carbonitrile .
user
C25H24N2O3
assistant