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 5-[4-(3,4-dimethoxyphenyl)sulfonylpiperazin-1-yl]-2-nitro-N-[(1R)-1-phenylethyl]aniline .
user
C26H30N4O6S
assistant