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-(1,1-dioxothian-3-yl)-6-[5-(trifluoromethyl)pyridin-2-yl]oxyquinoline-2-carboxamide using the IUPAC nomenclature.
user
C21H18F3N3O4S
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