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 methyl 5-[(2,5-dimethylphenyl)carbamoyl]-2-[(2-ethoxy-2-oxoacetyl)amino]-4-methylthiophene-3-carboxylate using the IUPAC nomenclature.
user
C20H22N2O6S
assistant