You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[2-[1-(2-cyanoethyl)indol-3-yl]-2-oxoethyl] 2-(4-chloro-5-methyl-2-propan-2-ylphenoxy)acetate is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H25ClN2O4
assistant