You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (4-acetyl-6-methoxy-2,7-naphthyridin-1-yl) N-[(5-fluoro-2,3-dihydro-1-benzofuran-4-yl)methyl]carbamate into its molecular formula.
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C21H18FN3O5
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