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system
Name the molecular formula for the molecule established as 1-[5,5-dioxo-8-(pyridin-2-ylmethoxymethyl)-5lambda6-thia-2-azaspiro[3.4]octan-2-yl]-2-ethoxyethanone;2,2,2-trifluoroacetic acid using the IUPAC nomenclature.
user
C19H25F3N2O7S
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