You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by 2-[6-[3-(5-chloro-2,4-dimethoxyanilino)-3-oxopropyl]-3-oxo-1,4,5,6-tetrahydro-2-benzazocin-2-yl]acetic acid ?
user
C24H27ClN2O6
assistant