You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-[[4-(2,3-dihydro-1H-inden-5-yl)-4-oxobutanoyl]amino]-4-pyridin-4-ylbutanoic acid by IUPAC nomenclature, provide its molecular formula.
user
C22H24N2O4
assistant