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 6-hydroxy-5-[[4-(2-hydroxyethylsulfonyl)phenyl]iminomethyl]-1-(3-methylphenyl)pyrimidine-2,4-dione .
user
C20H19N3O6S
assistant