You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (2R)-2-(N-[2-(benzotriazol-1-yl)acetyl]-3-fluoroanilino)-N-(2-methoxyethyl)-2-(4-methoxyphenyl)acetamide into molecular formula.
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C26H26FN5O4
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