You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as N-[3-[[3-(3,5-dimethoxyanilino)quinoxalin-2-yl]sulfamoyl]phenyl]pyrazine-2-carboxamide using the IUPAC nomenclature.
user
C27H23N7O5S
assistant