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 [2-[2-hydroxy-1-[2-hydroxy-1-[2-(sulfomethylamino)phenyl]ethyl]sulfanylethyl]anilino]methanesulfonic acid .
user
C18H24N2O8S3
assistant