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 (4R)-2-acetyl-4-amino-N-[(1R)-1-(4-ethoxy-6-oxopyran-2-yl)-3-methylbutyl]-5H-1,3-thiazole-4-carboxamide using the IUPAC nomenclature.
user
C18H25N3O5S
assistant