You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance N-[3-(2-butoxy-3,5-dimethoxyanilino)quinoxalin-2-yl]-1-(1-cyanoethenylsulfanyl)ethenesulfonamide .
user
C25H27N5O5S2
assistant