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system
Provide the molecular formula for the IUPAC named substance N-[(3,4-dimethoxyphenyl)methyl]-1-[(2-fluorophenyl)methyl]-6,7-dimethoxy-4-methyl-2,2-dioxo-2lambda6,1-benzothiazine-3-carboxamide .
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C28H29FN2O7S
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