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 1-[2-(benzenesulfonamido)ethyl]-3-[2-[3-(5-carbamimidoyl-2-methylsulfanylthiophen-3-yl)sulfonylphenyl]-3-methylphenyl]urea .
user
C28H29N5O5S4
assistant