You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[2-[(1R)-5-(2-methylphenyl)-2-propan-2-yl-1,3-dihydroisoindol-1-yl]ethyl]pyridine-4-carboxylic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C26H28N2O2
assistant