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 4-(3,4-dimethylphenyl)-2-[[2-(4-ethoxyphenyl)acetyl]amino]-5-methylthiophene-3-carboxylate using the IUPAC nomenclature.
user
C25H27NO4S
assistant