You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[(E)-2-(4-methoxyphenyl)ethenyl]-6-methyl-2-[(4-methyl-1H-indol-5-yl)amino]pyridine-3-carbonitrile The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H22N4O
assistant