You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[4-[3-[[(5-chloro-1H-indole-2-carbonyl)amino]methyl]phenoxy]-2-methylphenyl]propanoic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H23ClN2O4
assistant