You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 4-(4-methoxyphenyl)-N-[[(2R)-7-(3-methylpyridin-2-yl)-2,3-dihydro-1-benzofuran-2-yl]methyl]-4-oxobutanamide into its molecular formula.
user
C26H26N2O4
assistant