You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (3R)-N,N-diethyl-1-(6H-indolo[3,2-b]quinoxalin-9-ylcarbamothioyl)piperidine-3-carboxamide into molecular formula.
user
C25H28N6OS
assistant