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 3-[[(3aR,6aS)-5,5-dioxo-3a,4,6,6a-tetrahydrothieno[3,4-d][1,3]thiazol-2-yl]amino]-4-methyl-N-(3-methylbutyl)benzamide .
user
C18H25N3O3S2
assistant