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 (5R,7S)-7-methyl-8-oxo-N-(4-phenyl-1,3-thiazol-2-yl)-5H-thiopyrano[4,3-f][1,3]benzodioxole-5-carboxamide using the IUPAC nomenclature.
user
C21H16N2O4S2
assistant