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 N-(3,5-dimethylphenyl)-5-ethylsulfanyl-2-[2-(propylcarbamoyl)pyridin-4-yl]pyridine-3-carboxamide using the IUPAC nomenclature.
user
C25H28N4O2S
assistant