You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[4-[(3-acetyl-1H-indol-5-yl)oxy]-3,5-dichlorophenyl]-3,5-dioxo-1,2,4-triazine-6-carbonitrile;1-ethyl-2-propylbenzene into its molecular formula.
user
C31H27Cl2N5O4
assistant