You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[5-(2-methylpropanoylamino)-1H-indol-3-yl]-2-[4-(pyridin-3-ylmethyl)piperazin-1-yl]acetic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H29N5O3
assistant